9122351121 has 81 divisors (see below), whose sum is σ = 14932395387. Its totient is φ = 5363897760.

The previous prime is 9122351101. The next prime is 9122351131. The reversal of 9122351121 is 1211532219.

The square root of 9122351121 is 95511.

It is a perfect power (a square), and thus also a powerful number.

9122351121 is a `hidden beast` number, since 9 + 122 + 3 + 511 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1349460225 + 7772890896 = 36735^2 + 88164^2 .

It is not a de Polignac number, because 9122351121 - 2⁵ = 9122351089 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9122351101) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 115472760 + ... + 115472838.

Almost surely, 2^9122351121 is an apocalyptic number.

9122351121 is the 95511-st square number.

9122351121 is the 47756-th centered octagonal number.

It is an amenable number.

9122351121 is a deficient number, since it is larger than the sum of its proper divisors (5810044266).

9122351121 is a wasteful number, since it uses less digits than its factorization.

9122351121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 126 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The cubic root of 9122351121 is about 2089.4673765427.

The spelling of 9122351121 in words is "nine billion, one hundred twenty-two million, three hundred fifty-one thousand, one hundred twenty-one".