2102100020222 has 16 divisors (see below), whose sum is σ = 3338704762272. Its totient is φ = 989201222400.

The previous prime is 2102100020221. The next prime is 2102100020231. The reversal of 2102100020222 is 2220200012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102100020197 and 2102100020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102100020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883847 + ... + 2232797.

It is an arithmetic number, because the mean of its divisors is an integer number (208669047642).

Almost surely, 2^{2102100020222} is an apocalyptic number.

2102100020222 is a deficient number, since it is larger than the sum of its proper divisors (1236604742050).

2102100020222 is a wasteful number, since it uses less digits than its factorization.

2102100020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394803.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2102100020222 its reverse (2220200012012), we get a palindrome (4322300032234).

The spelling of 2102100020222 in words is "two trillion, one hundred two billion, one hundred million, twenty thousand, two hundred twenty-two".