21120112012202 has 32 divisors (see below), whose sum is σ = 36976732581888. Its totient is φ = 8858775090096.

The previous prime is 21120112012151. The next prime is 21120112012217. The reversal of 21120112012202 is 20221021102112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64905353 + ... + 65229939.

It is an arithmetic number, because the mean of its divisors is an integer number (1155522893184).

Almost surely, 2^{21120112012202} is an apocalyptic number.

21120112012202 is a deficient number, since it is larger than the sum of its proper divisors (15856620569686).

21120112012202 is a wasteful number, since it uses less digits than its factorization.

21120112012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423530.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21120112012202 its reverse (20221021102112), we get a palindrome (41341133114314).

The spelling of 21120112012202 in words is "twenty-one trillion, one hundred twenty billion, one hundred twelve million, twelve thousand, two hundred two".