222121001202022 has 32 divisors (see below), whose sum is σ = 370388131948800. Its totient is φ = 99209638719360.

The previous prime is 222121001201969. The next prime is 222121001202029. The reversal of 222121001202022 is 220202100121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121001202029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 116365788 + ... + 118259200.

It is an arithmetic number, because the mean of its divisors is an integer number (11574629123400).

Almost surely, 2^{222121001202022} is an apocalyptic number.

222121001202022 is a deficient number, since it is larger than the sum of its proper divisors (148267130746778).

222121001202022 is a wasteful number, since it uses less digits than its factorization.

222121001202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039008.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222121001202022 its reverse (220202100121222), we get a palindrome (442323101323244).

The spelling of 222121001202022 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one million, two hundred two thousand, twenty-two".