202111030120 has 64 divisors (see below), whose sum is σ = 473737118400. Its totient is φ = 77535736320.

The previous prime is 202111030109. The next prime is 202111030123. The reversal of 202111030120 is 21030111202.

It is a self number, because there is not a number n which added to its sum of digits gives 202111030120.

It is not an unprimeable number, because it can be changed into a prime (202111030123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947634 + ... + 1141153.

It is an arithmetic number, because the mean of its divisors is an integer number (7402142475).

Almost surely, 2^202111030120 is an apocalyptic number.

202111030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202111030120 is an abundant number, since it is smaller than the sum of its proper divisors (271626088280).

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

202111030120 is a wasteful number, since it uses less digits than its factorization.

202111030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088898 (or 2088894 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 202111030120 its reverse (21030111202), we get a palindrome (223141141322).

The spelling of 202111030120 in words is "two hundred two billion, one hundred eleven million, thirty thousand, one hundred twenty".