2120111022 has 16 divisors (see below), whose sum is σ = 4241988432. Its totient is φ = 706409280.

The previous prime is 2120111011. The next prime is 2120111023. The reversal of 2120111022 is 2201110212.

It is a junction number, because it is equal to n+sod(n) for n = 2120110989 and 2120111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120111023) 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, 57733 + ... + 87024.

It is an arithmetic number, because the mean of its divisors is an integer number (265124277).

Almost surely, 2^2120111022 is an apocalyptic number.

2120111022 is an abundant number, since it is smaller than the sum of its proper divisors (2121877410).

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

2120111022 is a wasteful number, since it uses less digits than its factorization.

2120111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147203.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2120111022 is about 46044.6633389799. The cubic root of 2120111022 is about 1284.6540822229.

Adding to 2120111022 its reverse (2201110212), we get a palindrome (4321221234).

It can be divided in two parts, 21201 and 11022, that added together give a palindrome (32223).

The spelling of 2120111022 in words is "two billion, one hundred twenty million, one hundred eleven thousand, twenty-two".