121100402 has 8 divisors (see below), whose sum is σ = 181754496. Its totient is φ = 60515572.

The previous prime is 121100383. The next prime is 121100407. The reversal of 121100402 is 204001121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121100407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12698 + ... + 20085.

It is an arithmetic number, because the mean of its divisors is an integer number (22719312).

Almost surely, 2^121100402 is an apocalyptic number.

121100402 is a deficient number, since it is larger than the sum of its proper divisors (60654094).

121100402 is a wasteful number, since it uses less digits than its factorization.

121100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34632.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 121100402 is about 11004.5627809559. The cubic root of 121100402 is about 494.7455101048.

Adding to 121100402 its reverse (204001121), we get a palindrome (325101523).

The spelling of 121100402 in words is "one hundred twenty-one million, one hundred thousand, four hundred two".