201200121102 has 64 divisors (see below), whose sum is σ = 432499392000. Its totient is φ = 62212727808.

The previous prime is 201200121091. The next prime is 201200121103. The reversal of 201200121102 is 201121002102.

201200121102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200121103) 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, 948774 + ... + 1141302.

It is an arithmetic number, because the mean of its divisors is an integer number (6757803000).

Almost surely, 2^201200121102 is an apocalyptic number.

201200121102 is an abundant number, since it is smaller than the sum of its proper divisors (231299270898).

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

201200121102 is a wasteful number, since it uses less digits than its factorization.

201200121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192745.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201200121102 its reverse (201121002102), we get a palindrome (402321123204).

The spelling of 201200121102 in words is "two hundred one billion, two hundred million, one hundred twenty-one thousand, one hundred two".