1122202122210 has 96 divisors (see below), whose sum is σ = 3307543162560. Its totient is φ = 261695712384.

The previous prime is 1122202122149. The next prime is 1122202122211. The reversal of 1122202122210 is 122212022211.

It is a happy number.

1122202122210 is a `hidden beast` number, since 1 + 12 + 220 + 212 + 221 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1122202122211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25218484 + ... + 25262943.

It is an arithmetic number, because the mean of its divisors is an integer number (34453574610).

Almost surely, 2^{1122202122210} is an apocalyptic number.

1122202122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1122202122210 is an abundant number, since it is smaller than the sum of its proper divisors (2185341040350).

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

1122202122210 is a wasteful number, since it uses less digits than its factorization.

1122202122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50481472 (or 50481469 counting only the distinct ones).

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

Adding to 1122202122210 its reverse (122212022211), we get a palindrome (1244414144421).

Subtracting from 1122202122210 its reverse (122212022211), we obtain a palindrome (999990099999).

The spelling of 1122202122210 in words is "one trillion, one hundred twenty-two billion, two hundred two million, one hundred twenty-two thousand, two hundred ten".