21112021011202 has 16 divisors (see below), whose sum is σ = 34888992421824. Its totient is φ = 9501359590000.

The previous prime is 21112021011199. The next prime is 21112021011241. The reversal of 21112021011202 is 20211012021112.

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, 4750677574 + ... + 4750682017.

It is an arithmetic number, because the mean of its divisors is an integer number (2180562026364).

Almost surely, 2^{21112021011202} is an apocalyptic number.

21112021011202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21112021011202 is a deficient number, since it is larger than the sum of its proper divisors (13776971410622).

21112021011202 is a wasteful number, since it uses less digits than its factorization.

21112021011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501359705.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21112021011202 its reverse (20211012021112), we get a palindrome (41323033032314).

The spelling of 21112021011202 in words is "twenty-one trillion, one hundred twelve billion, twenty-one million, eleven thousand, two hundred two".