2222101020 has 48 divisors (see below), whose sum is σ = 6307126560. Its totient is φ = 584441856.

The previous prime is 2222100997. The next prime is 2222101027. The reversal of 2222101020 is 201012222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2222100987 and 2222101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222101027) 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, 249285 + ... + 258044.

It is an arithmetic number, because the mean of its divisors is an integer number (131398470).

Almost surely, 2^2222101020 is an apocalyptic number.

2222101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222101020 is an abundant number, since it is smaller than the sum of its proper divisors (4085025540).

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

2222101020 is a wasteful number, since it uses less digits than its factorization.

2222101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507414 (or 507412 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2222101020 is about 47139.1665178756. The cubic root of 2222101020 is about 1304.9321554254.

Adding to 2222101020 its reverse (201012222), we get a palindrome (2423113242).

The spelling of 2222101020 in words is "two billion, two hundred twenty-two million, one hundred one thousand, twenty".