1011881210022 has 48 divisors (see below), whose sum is σ = 2293492968000. Its totient is φ = 322003769472.

The previous prime is 1011881210003. The next prime is 1011881210027. The reversal of 1011881210022 is 2200121881101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011881210027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10843822 + ... + 10936737.

It is an arithmetic number, because the mean of its divisors is an integer number (47781103500).

Almost surely, 2^{1011881210022} is an apocalyptic number.

1011881210022 is an abundant number, since it is smaller than the sum of its proper divisors (1281611757978).

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

1011881210022 is a wasteful number, since it uses less digits than its factorization.

1011881210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21780685 (or 21780682 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

The spelling of 1011881210022 in words is "one trillion, eleven billion, eight hundred eighty-one million, two hundred ten thousand, twenty-two".