1021110011012 has 24 divisors (see below), whose sum is σ = 2199313870656. Its totient is φ = 403955608608.

The previous prime is 1021110010969. The next prime is 1021110011041. The reversal of 1021110011012 is 2101100111201.

It is a super-2 number, since 2×1021110011012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021110010984 and 1021110011002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402623278 + ... + 1402624005.

It is an arithmetic number, because the mean of its divisors is an integer number (91638077944).

Almost surely, 2^{1021110011012} is an apocalyptic number.

It is an amenable number.

1021110011012 is an abundant number, since it is smaller than the sum of its proper divisors (1178203859644).

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

1021110011012 is a wasteful number, since it uses less digits than its factorization.

1021110011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805247307 (or 2805247305 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1021110011012 its reverse (2101100111201), we get a palindrome (3122210122213).

The spelling of 1021110011012 in words is "one trillion, twenty-one billion, one hundred ten million, eleven thousand, twelve".