22121022011194 has 32 divisors (see below), whose sum is σ = 34638395299200. Its totient is φ = 10586136525120.

The previous prime is 22121022011191. The next prime is 22121022011243. The reversal of 22121022011194 is 49111022012122.

It is a super-2 number, since 2×22121022011194² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121022011191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8743942 + ... + 10986289.

It is an arithmetic number, because the mean of its divisors is an integer number (1082449853100).

Almost surely, 2^{22121022011194} is an apocalyptic number.

22121022011194 is a deficient number, since it is larger than the sum of its proper divisors (12517373288006).

22121022011194 is a wasteful number, since it uses less digits than its factorization.

22121022011194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730518.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 22121022011194 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two million, eleven thousand, one hundred ninety-four".