122111403231 has 16 divisors (see below), whose sum is σ = 165358504800. Its totient is φ = 80145623040.

The previous prime is 122111403229. The next prime is 122111403241. The reversal of 122111403231 is 132304111221.

It is not a de Polignac number, because 122111403231 - 2¹ = 122111403229 is a prime.

It is a super-2 number, since 2×122111403231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111403198 and 122111403207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111403241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158250 + ... + 1259271.

It is an arithmetic number, because the mean of its divisors is an integer number (10334906550).

Almost surely, 2^122111403231 is an apocalyptic number.

122111403231 is a deficient number, since it is larger than the sum of its proper divisors (43247101569).

122111403231 is a wasteful number, since it uses less digits than its factorization.

122111403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417786.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 122111403231 its reverse (132304111221), we get a palindrome (254415514452).

The spelling of 122111403231 in words is "one hundred twenty-two billion, one hundred eleven million, four hundred three thousand, two hundred thirty-one".