1001211110022 has 16 divisors (see below), whose sum is σ = 2003390066160. Its totient is φ = 333575728992.

The previous prime is 1001211109961. The next prime is 1001211110051. The reversal of 1001211110022 is 2200111121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40313473 + ... + 40338300.

It is an arithmetic number, because the mean of its divisors is an integer number (125211879135).

Almost surely, 2^{1001211110022} is an apocalyptic number.

1001211110022 is an abundant number, since it is smaller than the sum of its proper divisors (1002178956138).

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

1001211110022 is a wasteful number, since it uses less digits than its factorization.

1001211110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80653847.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001211110022 its reverse (2200111121001), we get a palindrome (3201322231023).

The spelling of 1001211110022 in words is "one trillion, one billion, two hundred eleven million, one hundred ten thousand, twenty-two".