222011122100002 has 4 divisors (see below), whose sum is σ = 333016683150006. Its totient is φ = 111005561050000.

The previous prime is 222011122099967. The next prime is 222011122100021. The reversal of 222011122100002 is 200001221110222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 173796999537681 + 48214122562321 = 13183209^2 + 6943639^2 .

It is a super-2 number, since 2×222011122100002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55502780524999 + ... + 55502780525002.

Almost surely, 2^{222011122100002} is an apocalyptic number.

222011122100002 is a deficient number, since it is larger than the sum of its proper divisors (111005561050004).

222011122100002 is a wasteful number, since it uses less digits than its factorization.

222011122100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111005561050003.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222011122100002 its reverse (200001221110222), we get a palindrome (422012343210224).

The spelling of 222011122100002 in words is "two hundred twenty-two trillion, eleven billion, one hundred twenty-two million, one hundred thousand, two".