222202121101 has 48 divisors (see below), whose sum is σ = 248333776128. Its totient is φ = 198392832000.

The previous prime is 222202121077. The next prime is 222202121107. The reversal of 222202121101 is 101121202222.

It is a happy number.

It is not a de Polignac number, because 222202121101 - 2³⁵ = 187842382733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202121107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215520456 + ... + 215521486.

It is an arithmetic number, because the mean of its divisors is an integer number (5173620336).

Almost surely, 2^222202121101 is an apocalyptic number.

It is an amenable number.

222202121101 is a deficient number, since it is larger than the sum of its proper divisors (26131655027).

222202121101 is a wasteful number, since it uses less digits than its factorization.

222202121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222202121101 its reverse (101121202222), we get a palindrome (323323323323).

It can be divided in two parts, 222202121 and 101, that added together give a palindrome (222202222).

The spelling of 222202121101 in words is "two hundred twenty-two billion, two hundred two million, one hundred twenty-one thousand, one hundred one".