21222202001102 has 32 divisors (see below), whose sum is σ = 33523645478400. Its totient is φ = 10048151520000.

The previous prime is 21222202001071. The next prime is 21222202001111. The reversal of 21222202001102 is 20110020222212.

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 15 ways as a sum of consecutive naturals, for example, 953410049 + ... + 953432307.

It is an arithmetic number, because the mean of its divisors is an integer number (1047613921200).

Almost surely, 2^{21222202001102} is an apocalyptic number.

21222202001102 is a deficient number, since it is larger than the sum of its proper divisors (12301443477298).

21222202001102 is a wasteful number, since it uses less digits than its factorization.

21222202001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32312.

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

Adding to 21222202001102 its reverse (20110020222212), we get a palindrome (41332222223314).

The spelling of 21222202001102 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred two million, one thousand, one hundred two".