121012001110 has 256 divisors, whose sum is σ = 309098280960. Its totient is φ = 32850800640.

The previous prime is 121012001093. The next prime is 121012001113. The reversal of 121012001110 is 11100210121.

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 (121012001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 52681482 + ... + 52683778.

It is an arithmetic number, because the mean of its divisors is an integer number (1207415160).

Almost surely, 2^121012001110 is an apocalyptic number.

121012001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012001110 is an abundant number, since it is smaller than the sum of its proper divisors (188086279850).

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

121012001110 is a wasteful number, since it uses less digits than its factorization.

121012001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

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

Adding to 121012001110 its reverse (11100210121), we get a palindrome (132112211231).

The spelling of 121012001110 in words is "one hundred twenty-one billion, twelve million, one thousand, one hundred ten".