121101201010131 has 4 divisors (see below), whose sum is σ = 161468268013512. Its totient is φ = 80734134006752.

The previous prime is 121101201010087. The next prime is 121101201010133. The reversal of 121101201010131 is 131010102101121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121101201010131 - 2⁶ = 121101201010067 is a prime.

It is a super-2 number, since 2×121101201010131² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121101201010131.

It is not an unprimeable number, because it can be changed into a prime (121101201010133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20183533501686 + ... + 20183533501691.

It is an arithmetic number, because the mean of its divisors is an integer number (40367067003378).

Almost surely, 2^{121101201010131} is an apocalyptic number.

121101201010131 is a deficient number, since it is larger than the sum of its proper divisors (40367067003381).

121101201010131 is an equidigital number, since it uses as much as digits as its factorization.

121101201010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367067003380.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 121101201010131 its reverse (131010102101121), we get a palindrome (252111303111252).

The spelling of 121101201010131 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred one million, ten thousand, one hundred thirty-one".