21012222002088 has 32 divisors (see below), whose sum is σ = 54814492180800. Its totient is φ = 6699549043968.

The previous prime is 21012222002087. The next prime is 21012222002159. The reversal of 21012222002088 is 88020022221012.

It is not an unprimeable number, because it can be changed into a prime (21012222002087) 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, 19032809233 + ... + 19032810336.

It is an arithmetic number, because the mean of its divisors is an integer number (1712952880650).

Almost surely, 2^{21012222002088} is an apocalyptic number.

It is an amenable number.

21012222002088 is an abundant number, since it is smaller than the sum of its proper divisors (33802270178712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21012222002088 is a wasteful number, since it uses less digits than its factorization.

21012222002088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38065619601 (or 38065619597 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The spelling of 21012222002088 in words is "twenty-one trillion, twelve billion, two hundred twenty-two million, two thousand, eighty-eight".