121002102111110 has 32 divisors (see below), whose sum is σ = 237771102177792. Its totient is φ = 43969843219680.

The previous prime is 121002102111101. The next prime is 121002102111131. The reversal of 121002102111110 is 11111201200121.

It is a super-2 number, since 2×121002102111110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386357564 + ... + 386670623.

It is an arithmetic number, because the mean of its divisors is an integer number (7430346943056).

Almost surely, 2^{121002102111110} is an apocalyptic number.

121002102111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002102111110 is a deficient number, since it is larger than the sum of its proper divisors (116769000066682).

121002102111110 is a wasteful number, since it uses less digits than its factorization.

121002102111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773029628.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121002102111110 its reverse (11111201200121), we get a palindrome (132113303311231).

The spelling of 121002102111110 in words is "one hundred twenty-one trillion, two billion, one hundred two million, one hundred eleven thousand, one hundred ten".