1011102021112 has 32 divisors (see below), whose sum is σ = 1996318137600. Its totient is φ = 478769772384.

The previous prime is 1011102021103. The next prime is 1011102021191. The reversal of 1011102021112 is 2111202011101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011102021092 and 1011102021101.

It is a congruent number.

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, 781438 + ... + 1622605.

It is an arithmetic number, because the mean of its divisors is an integer number (62384941800).

Almost surely, 2^{1011102021112} is an apocalyptic number.

It is an amenable number.

1011102021112 is a deficient number, since it is larger than the sum of its proper divisors (985216116488).

1011102021112 is a wasteful number, since it uses less digits than its factorization.

1011102021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406835 (or 2406831 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011102021112 its reverse (2111202011101), we get a palindrome (3122304032213).

The spelling of 1011102021112 in words is "one trillion, eleven billion, one hundred two million, twenty-one thousand, one hundred twelve".