2111021020012 has 12 divisors (see below), whose sum is σ = 3723375658240. Its totient is φ = 1047199403376.

The previous prime is 2111021019983. The next prime is 2111021020021. The reversal of 2111021020012 is 2100201201112.

It is a junction number, because it is equal to n+sod(n) for n = 2111021019974 and 2111021020001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077776087 + ... + 2077777102.

Almost surely, 2^{2111021020012} is an apocalyptic number.

It is an amenable number.

2111021020012 is a deficient number, since it is larger than the sum of its proper divisors (1612354638228).

2111021020012 is a wasteful number, since it uses less digits than its factorization.

2111021020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155553320 (or 4155553318 counting only the distinct ones).

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

Adding to 2111021020012 its reverse (2100201201112), we get a palindrome (4211222221124).

The spelling of 2111021020012 in words is "two trillion, one hundred eleven billion, twenty-one million, twenty thousand, twelve".