121102210100113 has 16 divisors (see below), whose sum is σ = 132139368449280. Its totient is φ = 110069698813200.

The previous prime is 121102210100107. The next prime is 121102210100159. The reversal of 121102210100113 is 311001012201121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121102210100113 - 2⁹ = 121102210099601 is a prime.

It is a super-2 number, since 2×121102210100113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121102210100413) 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, 1078411498 + ... + 1078523788.

It is an arithmetic number, because the mean of its divisors is an integer number (8258710528080).

Almost surely, 2^{121102210100113} is an apocalyptic number.

It is an amenable number.

121102210100113 is a deficient number, since it is larger than the sum of its proper divisors (11037158349167).

121102210100113 is a wasteful number, since it uses less digits than its factorization.

121102210100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132108.

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

Adding to 121102210100113 its reverse (311001012201121), we get a palindrome (432103222301234).

The spelling of 121102210100113 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred ten million, one hundred thousand, one hundred thirteen".