122201031 has 4 divisors (see below), whose sum is σ = 162934712. Its totient is φ = 81467352.

The previous prime is 122201003. The next prime is 122201059. The reversal of 122201031 is 130102221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130102221 = 3 ⋅43367407.

It is an interprime number because it is at equal distance from previous prime (122201003) and next prime (122201059).

It is not a de Polignac number, because 122201031 - 2¹⁰ = 122200007 is a prime.

It is a super-2 number, since 2×122201031² = 29866183954925922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122200998 and 122201016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20366836 + ... + 20366841.

It is an arithmetic number, because the mean of its divisors is an integer number (40733678).

Almost surely, 2^122201031 is an apocalyptic number.

122201031 is a deficient number, since it is larger than the sum of its proper divisors (40733681).

122201031 is an equidigital number, since it uses as much as digits as its factorization.

122201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40733680.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 122201031 is about 11054.4575172190. The cubic root of 122201031 is about 496.2398345305.

Adding to 122201031 its reverse (130102221), we get a palindrome (252303252).

The spelling of 122201031 in words is "one hundred twenty-two million, two hundred one thousand, thirty-one".