1101210021112 has 16 divisors (see below), whose sum is σ = 2065886721360. Its totient is φ = 550306895424.

The previous prime is 1101210021083. The next prime is 1101210021143. The reversal of 1101210021112 is 2111200121011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101210021092 and 1101210021101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37248693 + ... + 37278244.

It is an arithmetic number, because the mean of its divisors is an integer number (129117920085).

Almost surely, 2^{1101210021112} is an apocalyptic number.

It is an amenable number.

1101210021112 is a deficient number, since it is larger than the sum of its proper divisors (964676700248).

1101210021112 is a wasteful number, since it uses less digits than its factorization.

1101210021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74528790 (or 74528786 counting only the distinct ones).

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

Adding to 1101210021112 its reverse (2111200121011), we get a palindrome (3212410142123).

The spelling of 1101210021112 in words is "one trillion, one hundred one billion, two hundred ten million, twenty-one thousand, one hundred twelve".