222120121201123 has 16 divisors (see below), whose sum is σ = 238950995994144. Its totient is φ = 205714238146560.

The previous prime is 222120121201117. The next prime is 222120121201127. The reversal of 222120121201123 is 321102121021222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120121201123 is a prime.

It is a super-2 number, since 2×222120121201123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222120121201094 and 222120121201103.

It is not an unprimeable number, because it can be changed into a prime (222120121201127) 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, 102995338 + ... + 105129823.

It is an arithmetic number, because the mean of its divisors is an integer number (14934437249634).

Almost surely, 2^{222120121201123} is an apocalyptic number.

222120121201123 is a deficient number, since it is larger than the sum of its proper divisors (16830874793021).

222120121201123 is a wasteful number, since it uses less digits than its factorization.

222120121201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208126182.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 222120121201123 its reverse (321102121021222), we get a palindrome (543222242222345).

The spelling of 222120121201123 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-three".