22000002121112 has 8 divisors (see below), whose sum is σ = 41250003977100. Its totient is φ = 11000001060552.

The previous prime is 22000002121099. The next prime is 22000002121147. The reversal of 22000002121112 is 21112120000022.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22000002121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375000132562 + ... + 1375000132577.

Almost surely, 2^{22000002121112} is an apocalyptic number.

It is an amenable number.

22000002121112 is a deficient number, since it is larger than the sum of its proper divisors (19250001855988).

22000002121112 is a wasteful number, since it uses less digits than its factorization.

22000002121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750000265145 (or 2750000265141 counting only the distinct ones).

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

Adding to 22000002121112 its reverse (21112120000022), we get a palindrome (43112122121134).

The spelling of 22000002121112 in words is "twenty-two trillion, two million, one hundred twenty-one thousand, one hundred twelve".