100402021322 has 4 divisors (see below), whose sum is σ = 150603031986. Its totient is φ = 50201010660.

The previous prime is 100402021297. The next prime is 100402021351. The reversal of 100402021322 is 223120204001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223120204001 = 47 ⋅4747238383.

It can be written as a sum of positive squares in only one way, i.e., 69506576881 + 30895444441 = 263641^2 + 175771^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100402021322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25100505329 + ... + 25100505332.

Almost surely, 2^100402021322 is an apocalyptic number.

100402021322 is a deficient number, since it is larger than the sum of its proper divisors (50201010664).

100402021322 is an equidigital number, since it uses as much as digits as its factorization.

100402021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50201010663.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 100402021322 its reverse (223120204001), we get a palindrome (323522225323).

The spelling of 100402021322 in words is "one hundred billion, four hundred two million, twenty-one thousand, three hundred twenty-two".