121012000032221 has 8 divisors (see below), whose sum is σ = 122720852153088. Its totient is φ = 119303271738000.

The previous prime is 121012000032211. The next prime is 121012000032223. The reversal of 121012000032221 is 122230000210121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121012000032221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121012000032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012000032223) 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, 28987445 + ... + 32898266.

It is an arithmetic number, because the mean of its divisors is an integer number (15340106519136).

Almost surely, 2^{121012000032221} is an apocalyptic number.

It is an amenable number.

121012000032221 is a deficient number, since it is larger than the sum of its proper divisors (1708852120867).

121012000032221 is an equidigital number, since it uses as much as digits as its factorization.

121012000032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61913323.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121012000032221 its reverse (122230000210121), we get a palindrome (243242000242342).

The spelling of 121012000032221 in words is "one hundred twenty-one trillion, twelve billion, thirty-two thousand, two hundred twenty-one".