121122022100121 has 32 divisors (see below), whose sum is σ = 206115309607680. Its totient is φ = 68861251122048.

The previous prime is 121122022100087. The next prime is 121122022100171. The reversal of 121122022100121 is 121001220221121.

121122022100121 is a `hidden beast` number, since 1 + 211 + 220 + 2 + 210 + 0 + 1 + 21 = 666.

It is not a de Polignac number, because 121122022100121 - 2⁹ = 121122022099609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121122022100094 and 121122022100103.

It is not an unprimeable number, because it can be changed into a prime (121122022100171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1626504036 + ... + 1626578501.

It is an arithmetic number, because the mean of its divisors is an integer number (6441103425240).

Almost surely, 2^{121122022100121} is an apocalyptic number.

It is an amenable number.

121122022100121 is a deficient number, since it is larger than the sum of its proper divisors (84993287507559).

121122022100121 is a wasteful number, since it uses less digits than its factorization.

121122022100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253082750 (or 3253082744 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121122022100121 its reverse (121001220221121), we get a palindrome (242123242321242).

The spelling of 121122022100121 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-two million, one hundred thousand, one hundred twenty-one".