22101112212002 has 4 divisors (see below), whose sum is σ = 33151668318006. Its totient is φ = 11050556106000.

The previous prime is 22101112211987. The next prime is 22101112212019. The reversal of 22101112212002 is 20021221110122.

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., 19173793106521 + 2927319105481 = 4378789^2 + 1710941^2 .

It is a super-2 number, since 2×22101112212002² (a number of 27 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, 5525278052999 + ... + 5525278053002.

Almost surely, 2^{22101112212002} is an apocalyptic number.

22101112212002 is a deficient number, since it is larger than the sum of its proper divisors (11050556106004).

22101112212002 is a wasteful number, since it uses less digits than its factorization.

22101112212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050556106003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22101112212002 its reverse (20021221110122), we get a palindrome (42122333322124).

The spelling of 22101112212002 in words is "twenty-two trillion, one hundred one billion, one hundred twelve million, two hundred twelve thousand, two".