121010210102000 has 80 divisors (see below), whose sum is σ = 293891687754912. Its totient is φ = 48190850009600.

The previous prime is 121010210101987. The next prime is 121010210102021. The reversal of 121010210102000 is 201012010121.

It is a tau number, because it is divible by the number of its divisors (80).

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, 132817157 + ... + 133725156.

Almost surely, 2^{121010210102000} is an apocalyptic number.

121010210102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010210102000 is an abundant number, since it is smaller than the sum of its proper divisors (172881477652912).

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

121010210102000 is a wasteful number, since it uses less digits than its factorization.

121010210102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266542563 (or 266542547 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121010210102000 its reverse (201012010121), we get a palindrome (121211222112121).

The spelling of 121010210102000 in words is "one hundred twenty-one trillion, ten billion, two hundred ten million, one hundred two thousand".