210121001110000 has 100 divisors (see below), whose sum is σ = 525134406748864. Its totient is φ = 81337161600000.

The previous prime is 210121001109983. The next prime is 210121001110019. The reversal of 210121001110000 is 11100121012.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 338594841 + ... + 339214840.

Almost surely, 2^{210121001110000} is an apocalyptic number.

210121001110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210121001110000 is an abundant number, since it is smaller than the sum of its proper divisors (315013405638864).

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

210121001110000 is an equidigital number, since it uses as much as digits as its factorization.

210121001110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677809740 (or 677809719 counting only the distinct ones).

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

Adding to 210121001110000 its reverse (11100121012), we get a palindrome (210132101231012).

The spelling of 210121001110000 in words is "two hundred ten trillion, one hundred twenty-one billion, one million, one hundred ten thousand".