121122110212131 has 8 divisors (see below), whose sum is σ = 184567025085184. Its totient is φ = 69212634406920.

The previous prime is 121122110212127. The next prime is 121122110212141. The reversal of 121122110212131 is 131212011221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121122110212131 - 2² = 121122110212127 is a prime.

It is a super-2 number, since 2×121122110212131² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5767719533911 = 121122110212131 / (1 + 2 + 1 + 1 + 2 + 2 + 1 + 1 + 0 + 2 + 1 + 2 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 121122110212098 and 121122110212107.

It is not an unprimeable number, because it can be changed into a prime (121122110212141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883859766935 + ... + 2883859766976.

It is an arithmetic number, because the mean of its divisors is an integer number (23070878135648).

Almost surely, 2^{121122110212131} is an apocalyptic number.

121122110212131 is a deficient number, since it is larger than the sum of its proper divisors (63444914873053).

121122110212131 is an equidigital number, since it uses as much as digits as its factorization.

121122110212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767719533921.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 121122110212131 its reverse (131212011221121), we get a palindrome (252334121433252).

The spelling of 121122110212131 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred ten million, two hundred twelve thousand, one hundred thirty-one".