22742136121 has 8 divisors (see below), whose sum is σ = 25126861824. Its totient is φ = 20473738560.

The previous prime is 22742136119. The next prime is 22742136169. The reversal of 22742136121 is 12163124722.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22742136121 - 2¹ = 22742136119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22742136101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29081625 + ... + 29082406.

It is an arithmetic number, because the mean of its divisors is an integer number (3140857728).

Almost surely, 2^22742136121 is an apocalyptic number.

It is an amenable number.

22742136121 is a deficient number, since it is larger than the sum of its proper divisors (2384725703).

22742136121 is a wasteful number, since it uses less digits than its factorization.

22742136121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58164071.

The product of its digits is 8064, while the sum is 31.

The spelling of 22742136121 in words is "twenty-two billion, seven hundred forty-two million, one hundred thirty-six thousand, one hundred twenty-one".