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102000021222220 = 2251183101106152127
BaseRepresentation
bin10111001100010010111011…
…000010000011001101001100
3111101011002212212002120122221
4113030102323002003031030
5101332132020413102340
61000534055102345124
730325154420056552
oct2714227302031514
9441132785076587
10102000021222220
112a555a69932590
12b53435488b1a4
1344bb739bcab34
141b28b82427bd2
15bbd3c459044a
hex5cc4bb08334c

102000021222220 has 192 divisors, whose sum is σ = 239059261550592. Its totient is φ = 36246335360000.

The previous prime is 102000021222199. The next prime is 102000021222241. The reversal of 102000021222220 is 22222120000201.

It is an interprime number because it is at equal distance from previous prime (102000021222199) and next prime (102000021222241).

It is a junction number, because it is equal to n+sod(n) for n = 102000021222194 and 102000021222203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1956733797 + ... + 1956785923.

It is an arithmetic number, because the mean of its divisors is an integer number (1245100320576).

Almost surely, 2102000021222220 is an apocalyptic number.

102000021222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102000021222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119529630775296).

102000021222220 is an abundant number, since it is smaller than the sum of its proper divisors (137059240328372).

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

102000021222220 is a wasteful number, since it uses less digits than its factorization.

102000021222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53392 (or 53390 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102000021222220 its reverse (22222120000201), we get a palindrome (124222141222421).

The spelling of 102000021222220 in words is "one hundred two trillion, twenty-one million, two hundred twenty-two thousand, two hundred twenty".