1001011002200 has 72 divisors (see below), whose sum is σ = 2558162269740. Its totient is φ = 364003992000.

The previous prime is 1001011002181. The next prime is 1001011002239. The reversal of 1001011002200 is 22001101001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20657846 + ... + 20706245.

Almost surely, 2^{1001011002200} is an apocalyptic number.

1001011002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001011002200 is an abundant number, since it is smaller than the sum of its proper divisors (1557151267540).

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

1001011002200 is a wasteful number, since it uses less digits than its factorization.

1001011002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41364129 (or 41364109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1001011002200 its reverse (22001101001), we get a palindrome (1023012103201).

The spelling of 1001011002200 in words is "one trillion, one billion, eleven million, two thousand, two hundred".