121000112011021 has 8 divisors (see below), whose sum is σ = 123053243876640. Its totient is φ = 118947056229168.

The previous prime is 121000112011013. The next prime is 121000112011067. The reversal of 121000112011021 is 120110211000121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121000112011021 - 2³ = 121000112011013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121000112010992 and 121000112011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000112014021) 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, 15808686 + ... + 22179151.

It is an arithmetic number, because the mean of its divisors is an integer number (15381655484580).

Almost surely, 2^{121000112011021} is an apocalyptic number.

It is an amenable number.

121000112011021 is a deficient number, since it is larger than the sum of its proper divisors (2053131865619).

121000112011021 is an equidigital number, since it uses as much as digits as its factorization.

121000112011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38041883.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121000112011021 its reverse (120110211000121), we get a palindrome (241110323011142).

The spelling of 121000112011021 in words is "one hundred twenty-one trillion, one hundred twelve million, eleven thousand, twenty-one".