201112220122120 has 16 divisors (see below), whose sum is σ = 452502495274860. Its totient is φ = 80444888048832.

The previous prime is 201112220122087. The next prime is 201112220122189. The reversal of 201112220122120 is 21221022211102.

It can be written as a sum of positive squares in 2 ways, for example, as 164577134452644 + 36535085669476 = 12828762^2 + 6044426^2 .

It is a super-2 number, since 2×201112220122120² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513902751487 + ... + 2513902751566.

Almost surely, 2^{201112220122120} is an apocalyptic number.

201112220122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112220122120 is an abundant number, since it is smaller than the sum of its proper divisors (251390275152740).

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

201112220122120 is a wasteful number, since it uses less digits than its factorization.

201112220122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027805503064 (or 5027805503060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201112220122120 its reverse (21221022211102), we get a palindrome (222333242333222).

The spelling of 201112220122120 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty".