102011220001020 has 192 divisors, whose sum is σ = 333010632761856. Its totient is φ = 23057760952320.

The previous prime is 102011220000997. The next prime is 102011220001049. The reversal of 102011220001020 is 20100022110201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102011220000987 and 102011220001005.

It is a congruent number.

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, 41285017 + ... + 43686096.

It is an arithmetic number, because the mean of its divisors is an integer number (1734430378968).

Almost surely, 2^{102011220001020} is an apocalyptic number.

102011220001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011220001020 is an abundant number, since it is smaller than the sum of its proper divisors (230999412760836).

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

102011220001020 is a wasteful number, since it uses less digits than its factorization.

102011220001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84971260 (or 84971258 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102011220001020 its reverse (20100022110201), we get a palindrome (122111242111221).

The spelling of 102011220001020 in words is "one hundred two trillion, eleven billion, two hundred twenty million, one thousand, twenty".