22012121102 has 16 divisors (see below), whose sum is σ = 33072209280. Its totient is φ = 10988068608.

The previous prime is 22012121081. The next prime is 22012121147. The reversal of 22012121102 is 20112121022.

It is a super-2 number, since 2×22012121102² (a number of 21 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 in 7 ways as a sum of consecutive naturals, for example, 3729818 + ... + 3735714.

It is an arithmetic number, because the mean of its divisors is an integer number (2067013080).

Almost surely, 2^22012121102 is an apocalyptic number.

22012121102 is a deficient number, since it is larger than the sum of its proper divisors (11060088178).

22012121102 is a wasteful number, since it uses less digits than its factorization.

22012121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635.

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

Adding to 22012121102 its reverse (20112121022), we get a palindrome (42124242124).

The spelling of 22012121102 in words is "twenty-two billion, twelve million, one hundred twenty-one thousand, one hundred two".