121012000221121 has 8 divisors (see below), whose sum is σ = 121093779074688. Its totient is φ = 120930223608000.

The previous prime is 121012000221097. The next prime is 121012000221137. The reversal of 121012000221121 is 121122000210121.

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 121012000221121 - 2⁵ = 121012000221089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121012000221095 and 121012000221104.

It is not an unprimeable number, because it can be changed into a prime (121012000221181) 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, 115631161 + ... + 116673001.

It is an arithmetic number, because the mean of its divisors is an integer number (15136722384336).

Almost surely, 2^{121012000221121} is an apocalyptic number.

It is an amenable number.

121012000221121 is a deficient number, since it is larger than the sum of its proper divisors (81778853567).

121012000221121 is a wasteful number, since it uses less digits than its factorization.

121012000221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120223.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121012000221121 its reverse (121122000210121), we get a palindrome (242134000431242).

The spelling of 121012000221121 in words is "one hundred twenty-one trillion, twelve billion, two hundred twenty-one thousand, one hundred twenty-one".