22101010121078 has 8 divisors (see below), whose sum is σ = 37887445921872. Its totient is φ = 9471861480456.

The previous prime is 22101010121077. The next prime is 22101010121089. The reversal of 22101010121078 is 87012101010122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101010121077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789321790025 + ... + 789321790052.

It is an arithmetic number, because the mean of its divisors is an integer number (4735930740234).

Almost surely, 2^{22101010121078} is an apocalyptic number.

22101010121078 is a deficient number, since it is larger than the sum of its proper divisors (15786435800794).

22101010121078 is a wasteful number, since it uses less digits than its factorization.

22101010121078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578643580086.

The product of its (nonzero) digits is 448, while the sum is 26.

The spelling of 22101010121078 in words is "twenty-two trillion, one hundred one billion, ten million, one hundred twenty-one thousand, seventy-eight".