222202111101121 has 4 divisors (see below), whose sum is σ = 235272823518852. Its totient is φ = 209131398683392.

The previous prime is 222202111101109. The next prime is 222202111101127. The reversal of 222202111101121 is 121101111202222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 189810247882896 + 32391863218225 = 13777164^2 + 5691385^2 .

It is not a de Polignac number, because 222202111101121 - 2²¹ = 222202109003969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202111101127) 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 3 ways as a sum of consecutive naturals, for example, 6535356208840 + ... + 6535356208873.

It is an arithmetic number, because the mean of its divisors is an integer number (58818205879713).

Almost surely, 2^{222202111101121} is an apocalyptic number.

It is an amenable number.

222202111101121 is a deficient number, since it is larger than the sum of its proper divisors (13070712417731).

222202111101121 is a wasteful number, since it uses less digits than its factorization.

222202111101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070712417730.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222202111101121 its reverse (121101111202222), we get a palindrome (343303222303343).

The spelling of 222202111101121 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred eleven million, one hundred one thousand, one hundred twenty-one".