1102020021112 has 32 divisors (see below), whose sum is σ = 2115300211200. Its totient is φ = 537951595104.

The previous prime is 1102020021101. The next prime is 1102020021119. The reversal of 1102020021112 is 2111200202011.

It is a junction number, because it is equal to n+sod(n) for n = 1102020021092 and 1102020021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102020021119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33439 + ... + 1484977.

It is an arithmetic number, because the mean of its divisors is an integer number (66103131600).

Almost surely, 2^{1102020021112} is an apocalyptic number.

It is an amenable number.

1102020021112 is a deficient number, since it is larger than the sum of its proper divisors (1013280190088).

1102020021112 is a wasteful number, since it uses less digits than its factorization.

1102020021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453795 (or 1453791 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1102020021112 its reverse (2111200202011), we get a palindrome (3213220223123).

The spelling of 1102020021112 in words is "one trillion, one hundred two billion, twenty million, twenty-one thousand, one hundred twelve".