201120123312220 has 24 divisors (see below), whose sum is σ = 482688295949664. Its totient is φ = 68955470849856.

The previous prime is 201120123312127. The next prime is 201120123312221. The reversal of 201120123312220 is 22213321021102.

It is a super-2 number, since 2×201120123312220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201120123312191 and 201120123312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120123312221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718286154547 + ... + 718286154826.

It is an arithmetic number, because the mean of its divisors is an integer number (20112012331236).

Almost surely, 2^{201120123312220} is an apocalyptic number.

201120123312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120123312220 is an abundant number, since it is smaller than the sum of its proper divisors (281568172637444).

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

201120123312220 is a wasteful number, since it uses less digits than its factorization.

201120123312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436572309389 (or 1436572309387 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201120123312220 its reverse (22213321021102), we get a palindrome (223333444333322).

The spelling of 201120123312220 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty-three million, three hundred twelve thousand, two hundred twenty".