121001121202102 has 4 divisors (see below), whose sum is σ = 181501681803156. Its totient is φ = 60500560601050.

The previous prime is 121001121202099. The next prime is 121001121202103. The reversal of 121001121202102 is 201202121100121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001121202103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250280300524 + ... + 30250280300527.

It is an arithmetic number, because the mean of its divisors is an integer number (45375420450789).

Almost surely, 2^{121001121202102} is an apocalyptic number.

121001121202102 is a deficient number, since it is larger than the sum of its proper divisors (60500560601054).

121001121202102 is an equidigital number, since it uses as much as digits as its factorization.

121001121202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60500560601053.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121001121202102 its reverse (201202121100121), we get a palindrome (322203242302223).

The spelling of 121001121202102 in words is "one hundred twenty-one trillion, one billion, one hundred twenty-one million, two hundred two thousand, one hundred two".