121001110102 has 4 divisors (see below), whose sum is σ = 181501665156. Its totient is φ = 60500555050.

The previous prime is 121001110099. The next prime is 121001110123. The reversal of 121001110102 is 201011100121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250277524 + ... + 30250277527.

It is an arithmetic number, because the mean of its divisors is an integer number (45375416289).

Almost surely, 2^121001110102 is an apocalyptic number.

121001110102 is a deficient number, since it is larger than the sum of its proper divisors (60500555054).

121001110102 is an equidigital number, since it uses as much as digits as its factorization.

121001110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60500555053.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121001110102 its reverse (201011100121), we get a palindrome (322012210223).

The spelling of 121001110102 in words is "one hundred twenty-one billion, one million, one hundred ten thousand, one hundred two".