2211020221002 has 72 divisors (see below), whose sum is σ = 4510440875808. Its totient is φ = 722559222000.

The previous prime is 2211020220989. The next prime is 2211020221019. The reversal of 2211020221002 is 2001220201122.

It is a super-2 number, since 2×2211020221002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1696868283 + ... + 1696869585.

It is an arithmetic number, because the mean of its divisors is an integer number (62645012164).

Almost surely, 2^{2211020221002} is an apocalyptic number.

2211020221002 is an abundant number, since it is smaller than the sum of its proper divisors (2299420654806).

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

2211020221002 is an equidigital number, since it uses as much as digits as its factorization.

2211020221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2211020221002 its reverse (2001220201122), we get a palindrome (4212240422124).

The spelling of 2211020221002 in words is "two trillion, two hundred eleven billion, twenty million, two hundred twenty-one thousand, two".