121010310000 has 150 divisors (see below), whose sum is σ = 423190848080. Its totient is φ = 32269392000.

The previous prime is 121010309983. The next prime is 121010310007. The reversal of 121010310000 is 13010121.

It is a tau number, because it is divible by the number of its divisors (150).

It is a super-2 number, since 2×121010310000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010310007) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 582280 + ... + 762279.

Almost surely, 2^121010310000 is an apocalyptic number.

121010310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121010310000 is an abundant number, since it is smaller than the sum of its proper divisors (302180538080).

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

121010310000 is a wasteful number, since it uses less digits than its factorization.

121010310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344593 (or 1344569 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 121010310000 its reverse (13010121), we get a palindrome (121023320121).

The spelling of 121010310000 in words is "one hundred twenty-one billion, ten million, three hundred ten thousand".