121101100202 has 8 divisors (see below), whose sum is σ = 181679959812. Its totient is φ = 60541113600.

The previous prime is 121101100189. The next prime is 121101100249. The reversal of 121101100202 is 202001101121.

It can be written as a sum of positive squares in 2 ways, for example, as 104154007441 + 16947092761 = 322729^2 + 130181^2 .

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

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, 4702199 + ... + 4727882.

Almost surely, 2^121101100202 is an apocalyptic number.

121101100202 is a deficient number, since it is larger than the sum of its proper divisors (60578859610).

121101100202 is an equidigital number, since it uses as much as digits as its factorization.

121101100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436504.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121101100202 its reverse (202001101121), we get a palindrome (323102201323).

The spelling of 121101100202 in words is "one hundred twenty-one billion, one hundred one million, one hundred thousand, two hundred two".