22101121022012 has 24 divisors (see below), whose sum is σ = 39078143024256. Its totient is φ = 10936147429808.

The previous prime is 22101121022011. The next prime is 22101121022033. The reversal of 22101121022012 is 21022012110122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101121022011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25844858 + ... + 26686305.

It is an arithmetic number, because the mean of its divisors is an integer number (1628255959344).

Almost surely, 2^{22101121022012} is an apocalyptic number.

It is an amenable number.

22101121022012 is a deficient number, since it is larger than the sum of its proper divisors (16977022002244).

22101121022012 is a wasteful number, since it uses less digits than its factorization.

22101121022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52532257 (or 52532255 counting only the distinct ones).

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

Adding to 22101121022012 its reverse (21022012110122), we get a palindrome (43123133132134).

The spelling of 22101121022012 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-one million, twenty-two thousand, twelve".