200120121022 has 12 divisors (see below), whose sum is σ = 305354225736. Its totient is φ = 98364123860.

The previous prime is 200120121013. The next prime is 200120121023. The reversal of 200120121022 is 220121021002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200120120993 and 200120121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120121023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14365354 + ... + 14379277.

It is an arithmetic number, because the mean of its divisors is an integer number (25446185478).

Almost surely, 2^200120121022 is an apocalyptic number.

200120121022 is a deficient number, since it is larger than the sum of its proper divisors (105234104714).

200120121022 is an equidigital number, since it uses as much as digits as its factorization.

200120121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28744751 (or 28744692 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200120121022 its reverse (220121021002), we get a palindrome (420241142024).

The spelling of 200120121022 in words is "two hundred billion, one hundred twenty million, one hundred twenty-one thousand, twenty-two".