200122211112121 has 8 divisors (see below), whose sum is σ = 208823689240704. Its totient is φ = 191420775685920.

The previous prime is 200122211112097. The next prime is 200122211112127. The reversal of 200122211112121 is 121211112221002.

It is a happy number.

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 200122211112121 - 2⁷ = 200122211111993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122211112127) 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, 908820 + ... + 20026741.

It is an arithmetic number, because the mean of its divisors is an integer number (26102961155088).

Almost surely, 2^{200122211112121} is an apocalyptic number.

It is an amenable number.

200122211112121 is a deficient number, since it is larger than the sum of its proper divisors (8701478128583).

200122211112121 is a wasteful number, since it uses less digits than its factorization.

200122211112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21351191.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 200122211112121 its reverse (121211112221002), we get a palindrome (321333323333123).

The spelling of 200122211112121 in words is "two hundred trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, one hundred twenty-one".