121310210122100 has 36 divisors (see below), whose sum is σ = 263514261382848. Its totient is φ = 48474110700000.

The previous prime is 121310210122099. The next prime is 121310210122183. The reversal of 121310210122100 is 1221012013121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624569276 + ... + 624763475.

It is an arithmetic number, because the mean of its divisors is an integer number (7319840593968).

Almost surely, 2^{121310210122100} is an apocalyptic number.

121310210122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121310210122100 is an abundant number, since it is smaller than the sum of its proper divisors (142204051260748).

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

121310210122100 is a wasteful number, since it uses less digits than its factorization.

121310210122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249333736 (or 1249333729 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121310210122100 its reverse (1221012013121), we get a palindrome (122531222135221).

The spelling of 121310210122100 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred ten million, one hundred twenty-two thousand, one hundred".