22100121122012 has 12 divisors (see below), whose sum is σ = 38675278161240. Its totient is φ = 11050041647376.

The previous prime is 22100121122003. The next prime is 22100121122029. The reversal of 22100121122012 is 21022112100122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913087 + ... + 6918102.

It is an arithmetic number, because the mean of its divisors is an integer number (3222939846770).

Almost surely, 2^{22100121122012} is an apocalyptic number.

It is an amenable number.

22100121122012 is a deficient number, since it is larger than the sum of its proper divisors (16575157039228).

22100121122012 is a wasteful number, since it uses less digits than its factorization.

22100121122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456820 (or 9456818 counting only the distinct ones).

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

Adding to 22100121122012 its reverse (21022112100122), we get a palindrome (43122233222134).

The spelling of 22100121122012 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, twelve".