2021211112 has 64 divisors (see below), whose sum is σ = 4088568960. Its totient is φ = 934348800.

The previous prime is 2021211109. The next prime is 2021211119. The reversal of 2021211112 is 2111121202.

It is a junction number, because it is equal to n+sod(n) for n = 2021211092 and 2021211101.

It is not an unprimeable number, because it can be changed into a prime (2021211119) 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, 851287 + ... + 853657.

It is an arithmetic number, because the mean of its divisors is an integer number (63883890).

Almost surely, 2^2021211112 is an apocalyptic number.

It is an amenable number.

2021211112 is an abundant number, since it is smaller than the sum of its proper divisors (2067357848).

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

2021211112 is a wasteful number, since it uses less digits than its factorization.

2021211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2021211112 is about 44957.8815337200. The cubic root of 2021211112 is about 1264.3594505274.

Adding to 2021211112 its reverse (2111121202), we get a palindrome (4132332314).

The spelling of 2021211112 in words is "two billion, twenty-one million, two hundred eleven thousand, one hundred twelve".