100121303524 has 12 divisors (see below), whose sum is σ = 191140670448. Its totient is φ = 45509683400.

The previous prime is 100121303509. The next prime is 100121303543. The reversal of 100121303524 is 425303121001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 100121303495 and 100121303504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137742042 + ... + 1137742129.

It is an arithmetic number, because the mean of its divisors is an integer number (15928389204).

Almost surely, 2^100121303524 is an apocalyptic number.

It is an amenable number.

100121303524 is a deficient number, since it is larger than the sum of its proper divisors (91019366924).

100121303524 is a wasteful number, since it uses less digits than its factorization.

100121303524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275484186 (or 2275484184 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 100121303524 its reverse (425303121001), we get a palindrome (525424424525).

The spelling of 100121303524 in words is "one hundred billion, one hundred twenty-one million, three hundred three thousand, five hundred twenty-four".