21310201002 has 16 divisors (see below), whose sum is σ = 42624649152. Its totient is φ = 7102692480.

The previous prime is 21310200997. The next prime is 21310201021. The reversal of 21310201002 is 20010201312.

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, 109774 + ... + 233817.

It is an arithmetic number, because the mean of its divisors is an integer number (2664040572).

Almost surely, 2^21310201002 is an apocalyptic number.

21310201002 is an abundant number, since it is smaller than the sum of its proper divisors (21314448150).

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

21310201002 is a wasteful number, since it uses less digits than its factorization.

21310201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353933.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21310201002 its reverse (20010201312), we get a palindrome (41320402314).

The spelling of 21310201002 in words is "twenty-one billion, three hundred ten million, two hundred one thousand, two".