1001001022210 has 96 divisors (see below), whose sum is σ = 2145729770352. Its totient is φ = 335146291200.

The previous prime is 1001001022181. The next prime is 1001001022297. The reversal of 1001001022210 is 122201001001.

It can be written as a sum of positive squares in 8 ways, for example, as 686294608041 + 314706414169 = 828429^2 + 560987^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3474234 + ... + 3751306.

Almost surely, 2^{1001001022210} is an apocalyptic number.

1001001022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001001022210 is an abundant number, since it is smaller than the sum of its proper divisors (1144728748142).

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

1001001022210 is a wasteful number, since it uses less digits than its factorization.

1001001022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277268 (or 277261 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001001022210 its reverse (122201001001), we get a palindrome (1123202023211).

The spelling of 1001001022210 in words is "one trillion, one billion, one million, twenty-two thousand, two hundred ten".