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102101022222220 = 22571742899589169
BaseRepresentation
bin10111001101110000111111…
…001010010010011110001100
3111101111202120210021222202201
4113031300333022102132030
5101340310343142102340
61001052321224331244
730335361340312450
oct2715607712223614
9441452523258681
10102101022222220
112a59488930480a
12b54ba41913b24
1344c8114c07968
141b2da043b6660
15bc0d3660779a
hex5cdc3f29278c

102101022222220 has 48 divisors (see below), whose sum is σ = 259456715300160. Its totient is φ = 32946884481024.

The previous prime is 102101022222209. The next prime is 102101022222229. The reversal of 102101022222220 is 22222220101201.

It is not an unprimeable number, because it can be changed into a prime (102101022222229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21449792205 + ... + 21449796964.

It is an arithmetic number, because the mean of its divisors is an integer number (5405348235420).

Almost surely, 2102101022222220 is an apocalyptic number.

102101022222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101022222220 is an abundant number, since it is smaller than the sum of its proper divisors (157355693077940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101022222220 is a wasteful number, since it uses less digits than its factorization.

102101022222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42899589202 (or 42899589200 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102101022222220 its reverse (22222220101201), we get a palindrome (124323242323421).

The spelling of 102101022222220 in words is "one hundred two trillion, one hundred one billion, twenty-two million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 42899589169 85799178338 171598356676 214497945845 300297124183 428995891690 600594248366 729293015873 857991783380 1201188496732 1458586031746 1501485620915 2917172063492 3002971241830 3646465079365 5105051111111 6005942483660 7292930158730 10210102222222 14585860317460 20420204444444 25525255555555 51050511111110 102101022222220