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102101122010101 = 315479091662323
BaseRepresentation
bin10111001101110001000101…
…000110111100101111110101
3111101111202211202001202000011
4113031301011012330233311
5101340311044213310401
61001052335151220221
730335363661432304
oct2715610506745765
9441452752052004
10102101122010101
112a59492a670935
12b54ba6b217671
1344c812c7a5a46
141b2da1375043b
15bc0d40269451
hex5cdc451bcbf5

102101122010101 has 16 divisors (see below), whose sum is σ = 105599158233088. Its totient is φ = 98615904332400.

The previous prime is 102101122010077. The next prime is 102101122010119. The reversal of 102101122010101 is 101010221101201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102101122010101 - 29 = 102101122009589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101122017101) 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, 153824926 + ... + 154487248.

It is an arithmetic number, because the mean of its divisors is an integer number (6599947389568).

Almost surely, 2102101122010101 is an apocalyptic number.

It is an amenable number.

102101122010101 is a deficient number, since it is larger than the sum of its proper divisors (3498036222987).

102101122010101 is an equidigital number, since it uses as much as digits as its factorization.

102101122010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671992.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102101122010101 its reverse (101010221101201), we get a palindrome (203111343111302).

The spelling of 102101122010101 in words is "one hundred two trillion, one hundred one billion, one hundred twenty-two million, ten thousand, one hundred one".

Divisors: 1 31 547 9091 16957 281821 662323 4972777 20532013 154156087 362290681 6021178393 11231011111 186656530183 3293584580971 102101122010101