121313102 has 4 divisors (see below), whose sum is σ = 181969656. Its totient is φ = 60656550.

The previous prime is 121313099. The next prime is 121313107. The reversal of 121313102 is 201313121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201313121 = 97 ⋅2075393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30328274 + ... + 30328277.

It is an arithmetic number, because the mean of its divisors is an integer number (45492414).

Almost surely, 2^121313102 is an apocalyptic number.

121313102 is a deficient number, since it is larger than the sum of its proper divisors (60656554).

121313102 is an equidigital number, since it uses as much as digits as its factorization.

121313102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60656553.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121313102 is about 11014.2227142908. Note that the first 3 decimals coincide. The cubic root of 121313102 is about 495.0349966754.

Adding to 121313102 its reverse (201313121), we get a palindrome (322626223).

The spelling of 121313102 in words is "one hundred twenty-one million, three hundred thirteen thousand, one hundred two".