21222101011202 has 32 divisors (see below), whose sum is σ = 39226524556800. Its totient is φ = 8385429054528.

The previous prime is 21222101011169. The next prime is 21222101011211. The reversal of 21222101011202 is 20211010122212.

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, 70177802 + ... + 70479557.

It is an arithmetic number, because the mean of its divisors is an integer number (1225828892400).

Almost surely, 2^{21222101011202} is an apocalyptic number.

21222101011202 is a deficient number, since it is larger than the sum of its proper divisors (18004423545598).

21222101011202 is a wasteful number, since it uses less digits than its factorization.

21222101011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140658210.

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

Adding to 21222101011202 its reverse (20211010122212), we get a palindrome (41433111133414).

It can be divided in two parts, 212221010 and 11202, that added together give a palindrome (212232212).

The spelling of 21222101011202 in words is "twenty-one trillion, two hundred twenty-two billion, one hundred one million, eleven thousand, two hundred two".