1220101001120 has 24 divisors (see below), whose sum is σ = 2882488615524. Its totient is φ = 488040400384.

The previous prime is 1220101001113. The next prime is 1220101001149. The reversal of 1220101001120 is 211001010221.

It can be written as a sum of positive squares in 2 ways, for example, as 997577468944 + 222523532176 = 998788^2 + 471724^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812815469 + ... + 3812815788.

Almost surely, 2^{1220101001120} is an apocalyptic number.

1220101001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220101001120 is an abundant number, since it is smaller than the sum of its proper divisors (1662387614404).

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

1220101001120 is an equidigital number, since it uses as much as digits as its factorization.

1220101001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625631272 (or 7625631264 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220101001120 its reverse (211001010221), we get a palindrome (1431102011341).

The spelling of 1220101001120 in words is "one trillion, two hundred twenty billion, one hundred one million, one thousand, one hundred twenty".