1000021011112 has 32 divisors (see below), whose sum is σ = 1921686022080. Its totient is φ = 487608266880.

The previous prime is 1000021011107. The next prime is 1000021011113. The reversal of 1000021011112 is 2111101200001.

It is not an unprimeable number, because it can be changed into a prime (1000021011113) 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, 2086453 + ... + 2520580.

It is an arithmetic number, because the mean of its divisors is an integer number (60052688190).

Almost surely, 2^{1000021011112} is an apocalyptic number.

It is an amenable number.

1000021011112 is a deficient number, since it is larger than the sum of its proper divisors (921665010968).

1000021011112 is a wasteful number, since it uses less digits than its factorization.

1000021011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607713 (or 4607709 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000021011112 its reverse (2111101200001), we get a palindrome (3111122211113).

The spelling of 1000021011112 in words is "one trillion, twenty-one million, eleven thousand, one hundred twelve".