2022111021 has 32 divisors (see below), whose sum is σ = 3208294656. Its totient is φ = 1108800000.

The previous prime is 2022110999. The next prime is 2022111041. The reversal of 2022111021 is 1201112202.

It is not a de Polignac number, because 2022111021 - 2¹⁰ = 2022109997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2022110988 and 2022111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022111041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33271 + ... + 71771.

It is an arithmetic number, because the mean of its divisors is an integer number (100259208).

Almost surely, 2^2022111021 is an apocalyptic number.

2022111021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2022111021 is a deficient number, since it is larger than the sum of its proper divisors (1186183635).

2022111021 is a wasteful number, since it uses less digits than its factorization.

2022111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38613.

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

The square root of 2022111021 is about 44967.8887763257. Note that the first 3 decimals coincide. The cubic root of 2022111021 is about 1264.5470673512.

Adding to 2022111021 its reverse (1201112202), we get a palindrome (3223223223).

The spelling of 2022111021 in words is "two billion, twenty-two million, one hundred eleven thousand, twenty-one".