1011021112112 has 40 divisors (see below), whose sum is σ = 2171962665552. Its totient is φ = 452021356800.

The previous prime is 1011021112069. The next prime is 1011021112147. The reversal of 1011021112112 is 2112111201101.

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, 47074823 + ... + 47096294.

Almost surely, 2^{1011021112112} is an apocalyptic number.

It is an amenable number.

1011021112112 is an abundant number, since it is smaller than the sum of its proper divisors (1160941553440).

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

1011021112112 is a wasteful number, since it uses less digits than its factorization.

1011021112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94171197 (or 94171191 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1011021112112 its reverse (2112111201101), we get a palindrome (3123132313213).

The spelling of 1011021112112 in words is "one trillion, eleven billion, twenty-one million, one hundred twelve thousand, one hundred twelve".