121002111213110 has 32 divisors (see below), whose sum is σ = 230616589845312. Its totient is φ = 45553577681920.

The previous prime is 121002111213089. The next prime is 121002111213149. The reversal of 121002111213110 is 11312111200121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55444439 + ... + 57585501.

It is an arithmetic number, because the mean of its divisors is an integer number (7206768432666).

Almost surely, 2^{121002111213110} is an apocalyptic number.

121002111213110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002111213110 is a deficient number, since it is larger than the sum of its proper divisors (109614478632202).

121002111213110 is a wasteful number, since it uses less digits than its factorization.

121002111213110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473528.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 121002111213110 its reverse (11312111200121), we get a palindrome (132314222413231).

The spelling of 121002111213110 in words is "one hundred twenty-one trillion, two billion, one hundred eleven million, two hundred thirteen thousand, one hundred ten".