2101202211222 has 24 divisors (see below), whose sum is σ = 4649468724576. Its totient is φ = 685498593456.

The previous prime is 2101202211209. The next prime is 2101202211359. The reversal of 2101202211222 is 2221122021012.

It is a happy number.

2101202211222 is a `hidden beast` number, since 210 + 1 + 20 + 2 + 211 + 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 = 2101202211195 and 2101202211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1241844433 + ... + 1241846124.

It is an arithmetic number, because the mean of its divisors is an integer number (193727863524).

Almost surely, 2^{2101202211222} is an apocalyptic number.

2101202211222 is an abundant number, since it is smaller than the sum of its proper divisors (2548266513354).

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

2101202211222 is a wasteful number, since it uses less digits than its factorization.

2101202211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483690612 (or 2483690609 counting only the distinct ones).

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

Adding to 2101202211222 its reverse (2221122021012), we get a palindrome (4322324232234).

The spelling of 2101202211222 in words is "two trillion, one hundred one billion, two hundred two million, two hundred eleven thousand, two hundred twenty-two".