1021110102012 has 192 divisors, whose sum is σ = 3367371571200. Its totient is φ = 231936203520.

The previous prime is 1021110102011. The next prime is 1021110102043. The reversal of 1021110102012 is 2102010111201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2008812 + ... + 2465267.

It is an arithmetic number, because the mean of its divisors is an integer number (17538393600).

Almost surely, 2^{1021110102012} is an apocalyptic number.

1021110102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021110102012 is an abundant number, since it is smaller than the sum of its proper divisors (2346261469188).

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

1021110102012 is a wasteful number, since it uses less digits than its factorization.

1021110102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474136 (or 4474134 counting only the distinct ones).

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

Adding to 1021110102012 its reverse (2102010111201), we get a palindrome (3123120213213).

The spelling of 1021110102012 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred two thousand, twelve".