22121102040141 has 32 divisors (see below), whose sum is σ = 32158767779712. Its totient is φ = 13444500142080.

The previous prime is 22121102040137. The next prime is 22121102040161. The reversal of 22121102040141 is 14104020112122.

It is not a de Polignac number, because 22121102040141 - 2² = 22121102040137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121102040101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7693195 + ... + 10169928.

It is an arithmetic number, because the mean of its divisors is an integer number (1004961493116).

Almost surely, 2^{22121102040141} is an apocalyptic number.

It is an amenable number.

22121102040141 is a deficient number, since it is larger than the sum of its proper divisors (10037665739571).

22121102040141 is a wasteful number, since it uses less digits than its factorization.

22121102040141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17863533.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22121102040141 its reverse (14104020112122), we get a palindrome (36225122152263).

The spelling of 22121102040141 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, forty thousand, one hundred forty-one".