222200220121 has 8 divisors (see below), whose sum is σ = 242411948064. Its totient is φ = 201990443520.

The previous prime is 222200220049. The next prime is 222200220127. The reversal of 222200220121 is 121022002222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222200220121 - 2²³ = 222191831513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222200220095 and 222200220104.

It is not an unprimeable number, because it can be changed into a prime (222200220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244456 + ... + 710041.

It is an arithmetic number, because the mean of its divisors is an integer number (30301493508).

Almost surely, 2^222200220121 is an apocalyptic number.

It is an amenable number.

222200220121 is a deficient number, since it is larger than the sum of its proper divisors (20211727943).

222200220121 is a wasteful number, since it uses less digits than its factorization.

222200220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975671.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222200220121 its reverse (121022002222), we get a palindrome (343222222343).

It can be divided in two parts, 2222002201 and 21, that added together give a palindrome (2222002222).

The spelling of 222200220121 in words is "two hundred twenty-two billion, two hundred million, two hundred twenty thousand, one hundred twenty-one".