31202220102122 has 16 divisors (see below), whose sum is σ = 49272640601760. Its totient is φ = 14778205810992.

The previous prime is 31202220102083. The next prime is 31202220102161. The reversal of 31202220102122 is 22120102220213.

It is an interprime number because it is at equal distance from previous prime (31202220102083) and next prime (31202220102161).

It is a junction number, because it is equal to n+sod(n) for n = 31202220102094 and 31202220102103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49493333 + ... + 50119800.

It is an arithmetic number, because the mean of its divisors is an integer number (3079540037610).

Almost surely, 2^{31202220102122} is an apocalyptic number.

31202220102122 is a deficient number, since it is larger than the sum of its proper divisors (18070420499638).

31202220102122 is a wasteful number, since it uses less digits than its factorization.

31202220102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99621397.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31202220102122 its reverse (22120102220213), we get a palindrome (53322322322335).

The spelling of 31202220102122 in words is "thirty-one trillion, two hundred two billion, two hundred twenty million, one hundred two thousand, one hundred twenty-two".