200122010110121 has 6 divisors (see below), whose sum is σ = 219968821030266. Its totient is φ = 181929100100000.

The previous prime is 200122010110111. The next prime is 200122010110147. The reversal of 200122010110121 is 121011010221002.

It can be written as a sum of positive squares in only one way, i.e., 121345095705625 + 78776914404496 = 11015675^2 + 8875636^2 .

It is not a de Polignac number, because 200122010110121 - 2³⁴ = 200104830240937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200122010110096 and 200122010110105.

It is not an unprimeable number, because it can be changed into a prime (200122010110111) 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, 826950454880 + ... + 826950455121.

It is an arithmetic number, because the mean of its divisors is an integer number (36661470171711).

Almost surely, 2^{200122010110121} is an apocalyptic number.

It is an amenable number.

200122010110121 is a deficient number, since it is larger than the sum of its proper divisors (19846810920145).

200122010110121 is a wasteful number, since it uses less digits than its factorization.

200122010110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653900910023 (or 1653900910012 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200122010110121 its reverse (121011010221002), we get a palindrome (321133020331123).

The spelling of 200122010110121 in words is "two hundred trillion, one hundred twenty-two billion, ten million, one hundred ten thousand, one hundred twenty-one".