401220331102122 has 32 divisors (see below), whose sum is σ = 917706202357632. Its totient is φ = 114555485335104.

The previous prime is 401220331102079. The next prime is 401220331102141. The reversal of 401220331102122 is 221201133022104.

It is a junction number, because it is equal to n+sod(n) for n = 401220331102092 and 401220331102101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3287229073 + ... + 3287351124.

It is an arithmetic number, because the mean of its divisors is an integer number (28678318823676).

Almost surely, 2^{401220331102122} is an apocalyptic number.

401220331102122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

401220331102122 is an abundant number, since it is smaller than the sum of its proper divisors (516485871255510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401220331102122 is a wasteful number, since it uses less digits than its factorization.

401220331102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574581662.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 401220331102122 its reverse (221201133022104), we get a palindrome (622421464124226).

The spelling of 401220331102122 in words is "four hundred one trillion, two hundred twenty billion, three hundred thirty-one million, one hundred two thousand, one hundred twenty-two".