1001101222220 has 36 divisors (see below), whose sum is σ = 2310806380512. Its totient is φ = 364036807200.

The previous prime is 1001101222217. The next prime is 1001101222237. The reversal of 1001101222220 is 222221011001.

It is a junction number, because it is equal to n+sod(n) for n = 1001101222195 and 1001101222204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206836676 + ... + 206841515.

Almost surely, 2^{1001101222220} is an apocalyptic number.

1001101222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001101222220 is an abundant number, since it is smaller than the sum of its proper divisors (1309705158292).

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

1001101222220 is a wasteful number, since it uses less digits than its factorization.

1001101222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413678222 (or 413678209 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1001101222220 its reverse (222221011001), we get a palindrome (1223322233221).

The spelling of 1001101222220 in words is "one trillion, one billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty".