222201121012122 has 64 divisors (see below), whose sum is σ = 512300392611840. Its totient is φ = 62936902433664.

The previous prime is 222201121012097. The next prime is 222201121012127. The reversal of 222201121012122 is 221210121102222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (222201121012127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47393803 + ... + 51870750.

It is an arithmetic number, because the mean of its divisors is an integer number (8004693634560).

Almost surely, 2^{222201121012122} is an apocalyptic number.

222201121012122 is an abundant number, since it is smaller than the sum of its proper divisors (290099271599718).

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

222201121012122 is a wasteful number, since it uses less digits than its factorization.

222201121012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99265027.

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

Adding to 222201121012122 its reverse (221210121102222), we get a palindrome (443411242114344).

The spelling of 222201121012122 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".