1001122211022 has 64 divisors (see below), whose sum is σ = 2026869018624. Its totient is φ = 329623256160.

The previous prime is 1001122211003. The next prime is 1001122211027. The reversal of 1001122211022 is 2201122211001.

It is a junction number, because it is equal to n+sod(n) for n = 1001122210992 and 1001122211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001122211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420108843 + ... + 420111225.

It is an arithmetic number, because the mean of its divisors is an integer number (31669828416).

Almost surely, 2^{1001122211022} is an apocalyptic number.

1001122211022 is an abundant number, since it is smaller than the sum of its proper divisors (1025746807602).

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

1001122211022 is a wasteful number, since it uses less digits than its factorization.

1001122211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1001122211022 its reverse (2201122211001), we get a palindrome (3202244422023).

The spelling of 1001122211022 in words is "one trillion, one billion, one hundred twenty-two million, two hundred eleven thousand, twenty-two".