2102210221022 has 32 divisors (see below), whose sum is σ = 3366396288000. Its totient is φ = 981106076160.

The previous prime is 2102210220991. The next prime is 2102210221031. The reversal of 2102210221022 is 2201220122012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11224604 + ... + 11410352.

It is an arithmetic number, because the mean of its divisors is an integer number (105199884000).

Almost surely, 2^{2102210221022} is an apocalyptic number.

2102210221022 is a deficient number, since it is larger than the sum of its proper divisors (1264186066978).

2102210221022 is a wasteful number, since it uses less digits than its factorization.

2102210221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188516.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2102210221022 its reverse (2201220122012), we get a palindrome (4303430343034).

It can be divided in two parts, 2102210 and 221022, that added together give a palindrome (2323232).

The spelling of 2102210221022 in words is "two trillion, one hundred two billion, two hundred ten million, two hundred twenty-one thousand, twenty-two".