21002000211112 has 32 divisors (see below), whose sum is σ = 39652050412800. Its totient is φ = 10428350373504.

The previous prime is 21002000211089. The next prime is 21002000211133. The reversal of 21002000211112 is 21111200020012.

It is a junction number, because it is equal to n+sod(n) for n = 21002000211092 and 21002000211101.

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, 13662058 + ... + 15121369.

It is an arithmetic number, because the mean of its divisors is an integer number (1239126575400).

Almost surely, 2^{21002000211112} is an apocalyptic number.

It is an amenable number.

21002000211112 is a deficient number, since it is larger than the sum of its proper divisors (18650050201688).

21002000211112 is a wasteful number, since it uses less digits than its factorization.

21002000211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28784065 (or 28784061 counting only the distinct ones).

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

Adding to 21002000211112 its reverse (21111200020012), we get a palindrome (42113200231124).

The spelling of 21002000211112 in words is "twenty-one trillion, two billion, two hundred eleven thousand, one hundred twelve".