122121200020112 has 10 divisors (see below), whose sum is σ = 236609825038998. Its totient is φ = 61060600010048.

The previous prime is 122121200020091. The next prime is 122121200020201. The reversal of 122121200020112 is 211020002121221.

It can be written as a sum of positive squares in only one way, i.e., 81433947653776 + 40687252366336 = 9024076^2 + 6378656^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3816287500613 + ... + 3816287500644.

Almost surely, 2^{122121200020112} is an apocalyptic number.

It is an amenable number.

122121200020112 is a deficient number, since it is larger than the sum of its proper divisors (114488625018886).

122121200020112 is an equidigital number, since it uses as much as digits as its factorization.

122121200020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632575001265 (or 7632575001259 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122121200020112 its reverse (211020002121221), we get a palindrome (333141202141333).

The spelling of 122121200020112 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred million, twenty thousand, one hundred twelve".