10211221002 has 32 divisors (see below), whose sum is σ = 20989749312. Its totient is φ = 3309323904.

The previous prime is 10211220953. The next prime is 10211221049. The reversal of 10211221002 is 20012211201.

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, 300678 + ... + 332910.

It is an arithmetic number, because the mean of its divisors is an integer number (655929666).

Almost surely, 2^10211221002 is an apocalyptic number.

10211221002 is an abundant number, since it is smaller than the sum of its proper divisors (10778528310).

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

10211221002 is a wasteful number, since it uses less digits than its factorization.

10211221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33702.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10211221002 its reverse (20012211201), we get a palindrome (30223432203).

The spelling of 10211221002 in words is "ten billion, two hundred eleven million, two hundred twenty-one thousand, two".