121011110202102 has 32 divisors (see below), whose sum is σ = 242898726890592. Its totient is φ = 40190955654144.

The previous prime is 121011110202089. The next prime is 121011110202119. The reversal of 121011110202102 is 201202011110121.

It is a happy number.

It is a super-4 number, since 4×121011110202102⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164458438 + ... + 165192614.

It is an arithmetic number, because the mean of its divisors is an integer number (7590585215331).

Almost surely, 2^{121011110202102} is an apocalyptic number.

121011110202102 is an abundant number, since it is smaller than the sum of its proper divisors (121887616688490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121011110202102 is a wasteful number, since it uses less digits than its factorization.

121011110202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833632.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121011110202102 its reverse (201202011110121), we get a palindrome (322213121312223).

The spelling of 121011110202102 in words is "one hundred twenty-one trillion, eleven billion, one hundred ten million, two hundred two thousand, one hundred two".