201120201121100 has 72 divisors (see below), whose sum is σ = 438108297034800. Its totient is φ = 80139033676800.

The previous prime is 201120201121013. The next prime is 201120201121129. The reversal of 201120201121100 is 1121102021102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98150831 + ... + 100178969.

Almost surely, 2^{201120201121100} is an apocalyptic number.

201120201121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120201121100 is an abundant number, since it is smaller than the sum of its proper divisors (236988095913700).

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

201120201121100 is a wasteful number, since it uses less digits than its factorization.

201120201121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031963 (or 2031956 counting only the distinct ones).

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

Adding to 201120201121100 its reverse (1121102021102), we get a palindrome (202241303142202).

The spelling of 201120201121100 in words is "two hundred one trillion, one hundred twenty billion, two hundred one million, one hundred twenty-one thousand, one hundred".