221010022202012 has 12 divisors (see below), whose sum is σ = 386772538393920. Its totient is φ = 110503582660896.

The previous prime is 221010022201963. The next prime is 221010022202029. The reversal of 221010022202012 is 210202220010122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356761868 + ... + 357380819.

It is an arithmetic number, because the mean of its divisors is an integer number (32231044866160).

Almost surely, 2^{221010022202012} is an apocalyptic number.

It is an amenable number.

221010022202012 is a deficient number, since it is larger than the sum of its proper divisors (165762516191908).

221010022202012 is a wasteful number, since it uses less digits than its factorization.

221010022202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714220060 (or 714220058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221010022202012 its reverse (210202220010122), we get a palindrome (431212242212134).

The spelling of 221010022202012 in words is "two hundred twenty-one trillion, ten billion, twenty-two million, two hundred two thousand, twelve".