2102221211022 has 12 divisors (see below), whose sum is σ = 4554812623920. Its totient is φ = 700740403668.

The previous prime is 2102221211011. The next prime is 2102221211053. The reversal of 2102221211022 is 2201121222012.

It is a happy number.

2102221211022 is a `hidden beast` number, since 210 + 2 + 221 + 211 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 116790067279 = 2102221211022 / (2 + 1 + 0 + 2 + 2 + 2 + 1 + 2 + 1 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2102221210986 and 2102221211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58395033622 + ... + 58395033657.

It is an arithmetic number, because the mean of its divisors is an integer number (379567718660).

Almost surely, 2^{2102221211022} is an apocalyptic number.

2102221211022 is an abundant number, since it is smaller than the sum of its proper divisors (2452591412898).

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

2102221211022 is a wasteful number, since it uses less digits than its factorization.

2102221211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116790067287 (or 116790067284 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2102221211022 its reverse (2201121222012), we get a palindrome (4303342433034).

The spelling of 2102221211022 in words is "two trillion, one hundred two billion, two hundred twenty-one million, two hundred eleven thousand, twenty-two".