102012011101020 has 48 divisors (see below), whose sum is σ = 286429267998720. Its totient is φ = 27127428015936.

The previous prime is 102012011100997. The next prime is 102012011101073. The reversal of 102012011101020 is 20101110210201.

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 = 102012011100987 and 102012011101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367945292 + ... + 2367988371.

It is an arithmetic number, because the mean of its divisors is an integer number (5967276416640).

Almost surely, 2^{102012011101020} is an apocalyptic number.

102012011101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102012011101020 is an abundant number, since it is smaller than the sum of its proper divisors (184417256897700).

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

102012011101020 is a wasteful number, since it uses less digits than its factorization.

102012011101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735934034 (or 4735934032 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102012011101020 its reverse (20101110210201), we get a palindrome (122113121311221).

The spelling of 102012011101020 in words is "one hundred two trillion, twelve billion, eleven million, one hundred one thousand, twenty".