121012021132110 has 48 divisors (see below), whose sum is σ = 315190102775184. Its totient is φ = 32212554575616.

The previous prime is 121012021132003. The next prime is 121012021132139. The reversal of 121012021132110 is 11231120210121.

It is a happy number.

121012021132110 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 120 + 211 + 321 + 10 = 666.

121012021132110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1194068347 + ... + 1194169686.

It is an arithmetic number, because the mean of its divisors is an integer number (6566460474483).

Almost surely, 2^{121012021132110} is an apocalyptic number.

121012021132110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012021132110 is an abundant number, since it is smaller than the sum of its proper divisors (194178081643074).

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

121012021132110 is a wasteful number, since it uses less digits than its factorization.

121012021132110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388238609 (or 2388238606 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 121012021132110 its reverse (11231120210121), we get a palindrome (132243141342231).

The spelling of 121012021132110 in words is "one hundred twenty-one trillion, twelve billion, twenty-one million, one hundred thirty-two thousand, one hundred ten".