222002010100121 has 16 divisors (see below), whose sum is σ = 235757060904960. Its totient is φ = 208457276751360.

The previous prime is 222002010100067. The next prime is 222002010100207. The reversal of 222002010100121 is 121001010200222.

It is a cyclic number.

It is not a de Polignac number, because 222002010100121 - 2¹⁸ = 222002009837977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222002010100096 and 222002010100105.

It is not an unprimeable number, because it can be changed into a prime (222002010600121) 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, 42591416 + ... + 47518761.

It is an arithmetic number, because the mean of its divisors is an integer number (14734816306560).

Almost surely, 2^{222002010100121} is an apocalyptic number.

It is an amenable number.

222002010100121 is a deficient number, since it is larger than the sum of its proper divisors (13755050804839).

222002010100121 is a wasteful number, since it uses less digits than its factorization.

222002010100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90111344.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222002010100121 its reverse (121001010200222), we get a palindrome (343003020300343).

The spelling of 222002010100121 in words is "two hundred twenty-two trillion, two billion, ten million, one hundred thousand, one hundred twenty-one".