121122000020121 has 8 divisors (see below), whose sum is σ = 167064827614080. Its totient is φ = 77963586219792.

The previous prime is 121122000020113. The next prime is 121122000020129. The reversal of 121122000020121 is 121020000221121.

It is an interprime number because it is at equal distance from previous prime (121122000020113) and next prime (121122000020129).

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

It is not a de Polignac number, because 121122000020121 - 2³ = 121122000020113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121122000020121.

It is not an unprimeable number, because it can be changed into a prime (121122000020129) 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, 696103448305 + ... + 696103448478.

It is an arithmetic number, because the mean of its divisors is an integer number (20883103451760).

Almost surely, 2^{121122000020121} is an apocalyptic number.

It is an amenable number.

121122000020121 is a deficient number, since it is larger than the sum of its proper divisors (45942827593959).

121122000020121 is a wasteful number, since it uses less digits than its factorization.

121122000020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392206896815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121122000020121 its reverse (121020000221121), we get a palindrome (242142000241242).

The spelling of 121122000020121 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty thousand, one hundred twenty-one".