122331201131 has 4 divisors (see below), whose sum is σ = 122368263264. Its totient is φ = 122294139000.

The previous prime is 122331201121. The next prime is 122331201277. The reversal of 122331201131 is 131102133221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131102133221 = 1097 ⋅119509693.

It is a cyclic number.

It is not a de Polignac number, because 122331201131 - 2¹⁰ = 122331200107 is a prime.

It is a super-2 number, since 2×122331201131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122331201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18526115 + ... + 18532716.

It is an arithmetic number, because the mean of its divisors is an integer number (30592065816).

Almost surely, 2^122331201131 is an apocalyptic number.

122331201131 is a deficient number, since it is larger than the sum of its proper divisors (37062133).

122331201131 is an equidigital number, since it uses as much as digits as its factorization.

122331201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37062132.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122331201131 its reverse (131102133221), we get a palindrome (253433334352).

The spelling of 122331201131 in words is "one hundred twenty-two billion, three hundred thirty-one million, two hundred one thousand, one hundred thirty-one".