221002210211012 has 24 divisors (see below), whose sum is σ = 393317355520320. Its totient is φ = 108625902323040.

The previous prime is 221002210210981. The next prime is 221002210211017. The reversal of 221002210211012 is 210112012200122.

It is a super-4 number, since 4×221002210211012⁴ (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (221002210211017) 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, 1257962 + ... + 21061502.

It is an arithmetic number, because the mean of its divisors is an integer number (16388223146680).

Almost surely, 2^{221002210211012} is an apocalyptic number.

It is an amenable number.

221002210211012 is a deficient number, since it is larger than the sum of its proper divisors (172315145309308).

221002210211012 is a wasteful number, since it uses less digits than its factorization.

221002210211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19850891 (or 19850889 counting only the distinct ones).

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

Adding to 221002210211012 its reverse (210112012200122), we get a palindrome (431114222411134).

The spelling of 221002210211012 in words is "two hundred twenty-one trillion, two billion, two hundred ten million, two hundred eleven thousand, twelve".