2210022201220 has 24 divisors (see below), whose sum is σ = 4641136253208. Its totient is φ = 883991808000.

The previous prime is 2210022201209. The next prime is 2210022201271. The reversal of 2210022201220 is 221022200122.

It can be written as a sum of positive squares in 4 ways, for example, as 644886090304 + 1565136110916 = 803048^2 + 1251054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2210022201194 and 2210022201203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21540 + ... + 2102500.

It is an arithmetic number, because the mean of its divisors is an integer number (193380677217).

Almost surely, 2^{2210022201220} is an apocalyptic number.

2210022201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210022201220 is an abundant number, since it is smaller than the sum of its proper divisors (2431114051988).

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

2210022201220 is a wasteful number, since it uses less digits than its factorization.

2210022201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134071 (or 2134069 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2210022201220 its reverse (221022200122), we get a palindrome (2431044401342).

The spelling of 2210022201220 in words is "two trillion, two hundred ten billion, twenty-two million, two hundred one thousand, two hundred twenty".