31422211124121 has 6 divisors (see below), whose sum is σ = 45387638290410. Its totient is φ = 20948140749408.

The previous prime is 31422211124081. The next prime is 31422211124141. The reversal of 31422211124121 is 12142111222413.

31422211124121 is a `hidden beast` number, since 3 + 1 + 4 + 22 + 211 + 12 + 412 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28339237018521 + 3082974105600 = 5323461^2 + 1755840^2 .

It is not a de Polignac number, because 31422211124121 - 2¹⁰ = 31422211123097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31422211124141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745678395776 + ... + 1745678395793.

It is an arithmetic number, because the mean of its divisors is an integer number (7564606381735).

Almost surely, 2^{31422211124121} is an apocalyptic number.

It is an amenable number.

31422211124121 is a deficient number, since it is larger than the sum of its proper divisors (13965427166289).

31422211124121 is a wasteful number, since it uses less digits than its factorization.

31422211124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491356791575 (or 3491356791572 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 31422211124121 its reverse (12142111222413), we get a palindrome (43564322346534).

The spelling of 31422211124121 in words is "thirty-one trillion, four hundred twenty-two billion, two hundred eleven million, one hundred twenty-four thousand, one hundred twenty-one".