2210102121222 has 48 divisors (see below), whose sum is σ = 4850794428480. Its totient is φ = 727131600000.

The previous prime is 2210102121221. The next prime is 2210102121257. The reversal of 2210102121222 is 2221212010122.

It is a happy number.

2210102121222 is a `hidden beast` number, since 221 + 0 + 10 + 212 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2210102121195 and 2210102121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210102121221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4008472 + ... + 4526372.

It is an arithmetic number, because the mean of its divisors is an integer number (101058217260).

Almost surely, 2^{2210102121222} is an apocalyptic number.

2210102121222 is an abundant number, since it is smaller than the sum of its proper divisors (2640692307258).

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

2210102121222 is a wasteful number, since it uses less digits than its factorization.

2210102121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520989 (or 520986 counting only the distinct ones).

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

Adding to 2210102121222 its reverse (2221212010122), we get a palindrome (4431314131344).

The spelling of 2210102121222 in words is "two trillion, two hundred ten billion, one hundred two million, one hundred twenty-one thousand, two hundred twenty-two".