222110201000121 has 16 divisors (see below), whose sum is σ = 338915377213824. Its totient is φ = 126746963259264.

The previous prime is 222110201000117. The next prime is 222110201000123. The reversal of 222110201000121 is 121000102011222.

It is not a de Polignac number, because 222110201000121 - 2² = 222110201000117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222110201000121.

It is not an unprimeable number, because it can be changed into a prime (222110201000123) 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, 7214634156 + ... + 7214664941.

It is an arithmetic number, because the mean of its divisors is an integer number (21182211075864).

Almost surely, 2^{222110201000121} is an apocalyptic number.

222110201000121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222110201000121 is a deficient number, since it is larger than the sum of its proper divisors (116805176213703).

222110201000121 is a wasteful number, since it uses less digits than its factorization.

222110201000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14429299840.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222110201000121 its reverse (121000102011222), we get a palindrome (343110303011343).

The spelling of 222110201000121 in words is "two hundred twenty-two trillion, one hundred ten billion, two hundred one million, one hundred twenty-one", and thus it is an aban number.