222100222121019 has 24 divisors (see below), whose sum is σ = 349997345281584. Its totient is φ = 134598026880000.

The previous prime is 222100222120967. The next prime is 222100222121023. The reversal of 222100222121019 is 910121222001222.

222100222121019 is a `hidden beast` number, since 2 + 2 + 210 + 0 + 2 + 221 + 210 + 19 = 666.

It is not a de Polignac number, because 222100222121019 - 2¹⁶ = 222100222055483 is a prime.

It is a super-2 number, since 2×222100222121019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222100222120983 and 222100222121001.

It is not an unprimeable number, because it can be changed into a prime (222100222121069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66429682 + ... + 69692919.

It is an arithmetic number, because the mean of its divisors is an integer number (14583222720066).

Almost surely, 2^{222100222121019} is an apocalyptic number.

222100222121019 is a deficient number, since it is larger than the sum of its proper divisors (127897123160565).

222100222121019 is a wasteful number, since it uses less digits than its factorization.

222100222121019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136139099 (or 136139096 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 222100222121019 in words is "two hundred twenty-two trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, nineteen".