21132102022222 has 16 divisors (see below), whose sum is σ = 31785674675040. Its totient is φ = 10536881658912.

The previous prime is 21132102022219. The next prime is 21132102022231. The reversal of 21132102022222 is 22222020123112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21132102022193 and 21132102022202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8261304 + ... + 10512532.

It is an arithmetic number, because the mean of its divisors is an integer number (1986604667190).

Almost surely, 2^{21132102022222} is an apocalyptic number.

21132102022222 is a deficient number, since it is larger than the sum of its proper divisors (10653572652818).

21132102022222 is a wasteful number, since it uses less digits than its factorization.

21132102022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264187.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21132102022222 its reverse (22222020123112), we get a palindrome (43354122145334).

The spelling of 21132102022222 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred two million, twenty-two thousand, two hundred twenty-two".