1220002021110 has 32 divisors (see below), whose sum is σ = 3082110370560. Its totient is φ = 308211036768.

The previous prime is 1220002021067. The next prime is 1220002021111. The reversal of 1220002021110 is 111202000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220002021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070176642 + ... + 1070177781.

It is an arithmetic number, because the mean of its divisors is an integer number (96315949080).

Almost surely, 2^{1220002021110} is an apocalyptic number.

1220002021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220002021110 is an abundant number, since it is smaller than the sum of its proper divisors (1862108349450).

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

1220002021110 is a wasteful number, since it uses less digits than its factorization.

1220002021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140354452.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220002021110 its reverse (111202000221), we get a palindrome (1331204021331).

The spelling of 1220002021110 in words is "one trillion, two hundred twenty billion, two million, twenty-one thousand, one hundred ten".