121140202 has 16 divisors (see below), whose sum is σ = 187656480. Its totient is φ = 58614192.

The previous prime is 121140193. The next prime is 121140211. The reversal of 121140202 is 202041121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121140193) and next prime (121140211).

It is a super-3 number, since 3×121140202³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2913 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (11728530).

Almost surely, 2^121140202 is an apocalyptic number.

121140202 is a deficient number, since it is larger than the sum of its proper divisors (66516278).

121140202 is a wasteful number, since it uses less digits than its factorization.

121140202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13077.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121140202 is about 11006.3709732137. The cubic root of 121140202 is about 494.7997040194.

Adding to 121140202 its reverse (202041121), we get a palindrome (323181323).

The spelling of 121140202 in words is "one hundred twenty-one million, one hundred forty thousand, two hundred two".