201202120221100 has 36 divisors (see below), whose sum is σ = 436800686107464. Its totient is φ = 80445440673280.

The previous prime is 201202120221083. The next prime is 201202120221119. The reversal of 201202120221100 is 1122021202102.

It is a happy number.

201202120221100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442364254 + ... + 442818853.

It is an arithmetic number, because the mean of its divisors is an integer number (12133352391874).

Almost surely, 2^{201202120221100} is an apocalyptic number.

201202120221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202120221100 is an abundant number, since it is smaller than the sum of its proper divisors (235598565886364).

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

201202120221100 is a wasteful number, since it uses less digits than its factorization.

201202120221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885185394 (or 885185387 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201202120221100 its reverse (1122021202102), we get a palindrome (202324141423202).

The spelling of 201202120221100 in words is "two hundred one trillion, two hundred two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred".