1222202021110 has 96 divisors (see below), whose sum is σ = 2585663754912. Its totient is φ = 414701683200.

The previous prime is 1222202021077. The next prime is 1222202021123. The reversal of 1222202021110 is 111202022221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146139789 + ... + 146148151.

It is an arithmetic number, because the mean of its divisors is an integer number (26933997447).

Almost surely, 2^{1222202021110} is an apocalyptic number.

1222202021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222202021110 is an abundant number, since it is smaller than the sum of its proper divisors (1363461733802).

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

1222202021110 is a wasteful number, since it uses less digits than its factorization.

1222202021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11438 (or 11431 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222202021110 its reverse (111202022221), we get a palindrome (1333404043331).

The spelling of 1222202021110 in words is "one trillion, two hundred twenty-two billion, two hundred two million, twenty-one thousand, one hundred ten".