100323111421 has 32 divisors (see below), whose sum is σ = 116119180800. Its totient is φ = 85898232000.

The previous prime is 100323111409. The next prime is 100323111443. The reversal of 100323111421 is 124111323001.

It is a cyclic number.

It is not a de Polignac number, because 100323111421 - 2⁵ = 100323111389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323111451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3644110 + ... + 3671536.

It is an arithmetic number, because the mean of its divisors is an integer number (3628724400).

Almost surely, 2^100323111421 is an apocalyptic number.

It is an amenable number.

100323111421 is a deficient number, since it is larger than the sum of its proper divisors (15796069379).

100323111421 is a wasteful number, since it uses less digits than its factorization.

100323111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27769.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100323111421 its reverse (124111323001), we get a palindrome (224434434422).

The spelling of 100323111421 in words is "one hundred billion, three hundred twenty-three million, one hundred eleven thousand, four hundred twenty-one".