1001121101022 has 24 divisors (see below), whose sum is σ = 2329138888776. Its totient is φ = 286034600208.

The previous prime is 1001121101011. The next prime is 1001121101023. The reversal of 1001121101022 is 2201011211001.

It is a junction number, because it is equal to n+sod(n) for n = 1001121100989 and 1001121101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001121101023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1702586613 + ... + 1702587200.

It is an arithmetic number, because the mean of its divisors is an integer number (97047453699).

Almost surely, 2^{1001121101022} is an apocalyptic number.

1001121101022 is an abundant number, since it is smaller than the sum of its proper divisors (1328017787754).

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

1001121101022 is a wasteful number, since it uses less digits than its factorization.

1001121101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405173832 (or 3405173825 counting only the distinct ones).

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

Adding to 1001121101022 its reverse (2201011211001), we get a palindrome (3202132312023).

The spelling of 1001121101022 in words is "one trillion, one billion, one hundred twenty-one million, one hundred one thousand, twenty-two".