121022020199 has 2 divisors, whose sum is σ = 121022020200. Its totient is φ = 121022020198.

The previous prime is 121022020181. The next prime is 121022020237. The reversal of 121022020199 is 991020220121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121022020199 - 2¹² = 121022016103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022020139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511010099 + 60511010100.

It is an arithmetic number, because the mean of its divisors is an integer number (60511010100).

Almost surely, 2^121022020199 is an apocalyptic number.

121022020199 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022020199 is an equidigital number, since it uses as much as digits as its factorization.

121022020199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 121022020199 in words is "one hundred twenty-one billion, twenty-two million, twenty thousand, one hundred ninety-nine".