121310102012101 has 16 divisors (see below), whose sum is σ = 128551315844160. Its totient is φ = 114080599077120.

The previous prime is 121310102012051. The next prime is 121310102012117. The reversal of 121310102012101 is 101210201013121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121310102012101 - 2²³ = 121310093623493 is a prime.

It is a super-2 number, since 2×121310102012101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310102012161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535810615 + ... + 536036971.

It is an arithmetic number, because the mean of its divisors is an integer number (8034457240260).

Almost surely, 2^{121310102012101} is an apocalyptic number.

It is an amenable number.

121310102012101 is a deficient number, since it is larger than the sum of its proper divisors (7241213832059).

121310102012101 is a wasteful number, since it uses less digits than its factorization.

121310102012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252084.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121310102012101 its reverse (101210201013121), we get a palindrome (222520303025222).

It can be divided in two parts, 1213101020 and 12101, that added together give a palindrome (1213113121).

The spelling of 121310102012101 in words is "one hundred twenty-one trillion, three hundred ten billion, one hundred two million, twelve thousand, one hundred one".