102121001110000 has 100 divisors (see below), whose sum is σ = 247257094546264. Its totient is φ = 40846428000000.

The previous prime is 102121001109977. The next prime is 102121001110003. The reversal of 102121001110000 is 11100121201.

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 not an unprimeable number, because it can be changed into a prime (102121001110003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 216374275 + ... + 216845725.

Almost surely, 2^{102121001110000} is an apocalyptic number.

102121001110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102121001110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123628547273132).

102121001110000 is an abundant number, since it is smaller than the sum of its proper divisors (145136093436264).

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

102121001110000 is an equidigital number, since it uses as much as digits as its factorization.

102121001110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493140 (or 493119 counting only the distinct ones).

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

Adding to 102121001110000 its reverse (11100121201), we get a palindrome (102132101231201).

The spelling of 102121001110000 in words is "one hundred two trillion, one hundred twenty-one billion, one million, one hundred ten thousand".