401222341100 has 144 divisors (see below), whose sum is σ = 1002138359040. Its totient is φ = 136582828800.

The previous prime is 401222341097. The next prime is 401222341129. The reversal of 401222341100 is 1143222104.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61808855 + ... + 61815345.

It is an arithmetic number, because the mean of its divisors is an integer number (6959294160).

Almost surely, 2^401222341100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401222341100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501069179520).

401222341100 is an abundant number, since it is smaller than the sum of its proper divisors (600916017940).

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

401222341100 is a wasteful number, since it uses less digits than its factorization.

401222341100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128 (or 7121 counting only the distinct ones).

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

Adding to 401222341100 its reverse (1143222104), we get a palindrome (402365563204).

The spelling of 401222341100 in words is "four hundred one billion, two hundred twenty-two million, three hundred forty-one thousand, one hundred".