201200121122110 has 64 divisors (see below), whose sum is σ = 408250268135424. Its totient is φ = 70730340710400.

The previous prime is 201200121122107. The next prime is 201200121122113. The reversal of 201200121122110 is 11221121002102.

It is an interprime number because it is at equal distance from previous prime (201200121122107) and next prime (201200121122113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200121122113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27210787 + ... + 33805726.

It is an arithmetic number, because the mean of its divisors is an integer number (6378910439616).

Almost surely, 2^{201200121122110} is an apocalyptic number.

201200121122110 is an abundant number, since it is smaller than the sum of its proper divisors (207050147013314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201200121122110 is a wasteful number, since it uses less digits than its factorization.

201200121122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61017529.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201200121122110 its reverse (11221121002102), we get a palindrome (212421242124212).

The spelling of 201200121122110 in words is "two hundred one trillion, two hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred ten".