1101220221010 has 64 divisors (see below), whose sum is σ = 2442876355584. Its totient is φ = 348053760000.

The previous prime is 1101220220993. The next prime is 1101220221041. The reversal of 1101220221010 is 101220221011.

It is a super-2 number, since 2×1101220221010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122271 + ... + 1489090.

It is an arithmetic number, because the mean of its divisors is an integer number (38169943056).

Almost surely, 2^{1101220221010} is an apocalyptic number.

1101220221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101220221010 is an abundant number, since it is smaller than the sum of its proper divisors (1341656134574).

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

1101220221010 is a wasteful number, since it uses less digits than its factorization.

1101220221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612139.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1101220221010 its reverse (101220221011), we get a palindrome (1202440442021).

Subtracting from 1101220221010 its reverse (101220221011), we obtain a palindrome (999999999999).

The spelling of 1101220221010 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred twenty-one thousand, ten".