200120220010091 has 4 divisors (see below), whose sum is σ = 200120314428000. Its totient is φ = 200120125592184.

The previous prime is 200120220010069. The next prime is 200120220010127. The reversal of 200120220010091 is 190010022021002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200120220010091 - 2¹⁸ = 200120219747947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200120220610091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43954916 + ... + 48293633.

It is an arithmetic number, because the mean of its divisors is an integer number (50030078607000).

Almost surely, 2^{200120220010091} is an apocalyptic number.

200120220010091 is a deficient number, since it is larger than the sum of its proper divisors (94417909).

200120220010091 is an equidigital number, since it uses as much as digits as its factorization.

200120220010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94417908.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 200120220010091 its reverse (190010022021002), we get a palindrome (390130242031093).

The spelling of 200120220010091 in words is "two hundred trillion, one hundred twenty billion, two hundred twenty million, ten thousand, ninety-one".