121022010200121 has 8 divisors (see below), whose sum is σ = 161508974632320. Its totient is φ = 80608192950672.

The previous prime is 121022010200111. The next prime is 121022010200129. The reversal of 121022010200121 is 121002010220121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121022010200121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121022010200121.

It is not an unprimeable number, because it can be changed into a prime (121022010200129) 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, 18286791826 + ... + 18286798443.

It is an arithmetic number, because the mean of its divisors is an integer number (20188621829040).

Almost surely, 2^{121022010200121} is an apocalyptic number.

It is an amenable number.

121022010200121 is a deficient number, since it is larger than the sum of its proper divisors (40486964432199).

121022010200121 is a wasteful number, since it uses less digits than its factorization.

121022010200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36573591375.

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

Adding to 121022010200121 its reverse (121002010220121), we get a palindrome (242024020420242).

The spelling of 121022010200121 in words is "one hundred twenty-one trillion, twenty-two billion, ten million, two hundred thousand, one hundred twenty-one".