121333021102 has 4 divisors (see below), whose sum is σ = 181999531656. Its totient is φ = 60666510550.

The previous prime is 121333021099. The next prime is 121333021109. The reversal of 121333021102 is 201120333121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121333021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333021109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30333255274 + ... + 30333255277.

It is an arithmetic number, because the mean of its divisors is an integer number (45499882914).

Almost surely, 2^121333021102 is an apocalyptic number.

121333021102 is a deficient number, since it is larger than the sum of its proper divisors (60666510554).

121333021102 is an equidigital number, since it uses as much as digits as its factorization.

121333021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60666510553.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121333021102 its reverse (201120333121), we get a palindrome (322453354223).

The spelling of 121333021102 in words is "one hundred twenty-one billion, three hundred thirty-three million, twenty-one thousand, one hundred two".