122202021031 has 4 divisors (see below), whose sum is σ = 123323140600. Its totient is φ = 121080901464.

The previous prime is 122202020999. The next prime is 122202021037. The reversal of 122202021031 is 130120202221.

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: 130120202221 = 39581 ⋅3287441.

It is a cyclic number.

It is not a de Polignac number, because 122202021031 - 2⁵ = 122202020999 is a prime.

It is a super-2 number, since 2×122202021031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122202020996 and 122202021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202021037) 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, 560559621 + ... + 560559838.

It is an arithmetic number, because the mean of its divisors is an integer number (30830785150).

Almost surely, 2^122202021031 is an apocalyptic number.

122202021031 is a deficient number, since it is larger than the sum of its proper divisors (1121119569).

122202021031 is a wasteful number, since it uses less digits than its factorization.

122202021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121119568.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122202021031 its reverse (130120202221), we get a palindrome (252322223252).

The spelling of 122202021031 in words is "one hundred twenty-two billion, two hundred two million, twenty-one thousand, thirty-one".