222111021212022 has 32 divisors (see below), whose sum is σ = 445028781739104. Its totient is φ = 73902571776000.

The previous prime is 222111021212009. The next prime is 222111021212029. The reversal of 222111021212022 is 220212120111222.

It is a self number, because there is not a number n which added to its sum of digits gives 222111021212022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111021212029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39242772 + ... + 44544552.

It is an arithmetic number, because the mean of its divisors is an integer number (13907149429347).

Almost surely, 2^{222111021212022} is an apocalyptic number.

222111021212022 is an abundant number, since it is smaller than the sum of its proper divisors (222917760527082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222111021212022 is a wasteful number, since it uses less digits than its factorization.

222111021212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5314464.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222111021212022 its reverse (220212120111222), we get a palindrome (442323141323244).

The spelling of 222111021212022 in words is "two hundred twenty-two trillion, one hundred eleven billion, twenty-one million, two hundred twelve thousand, twenty-two".