1011101022 has 64 divisors (see below), whose sum is σ = 2420305920. Its totient is φ = 311968800.

The previous prime is 1011101009. The next prime is 1011101023. The reversal of 1011101022 is 2201011101.

It is a happy number.

1011101022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011100995 and 1011101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011101023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25372 + ... + 51632.

It is an arithmetic number, because the mean of its divisors is an integer number (37817280).

Almost surely, 2^1011101022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011101022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210152960).

1011101022 is an abundant number, since it is smaller than the sum of its proper divisors (1409204898).

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

1011101022 is a wasteful number, since it uses less digits than its factorization.

1011101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26326 (or 26320 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1011101022 is about 31797.8147362362. The cubic root of 1011101022 is about 1003.6867319707.

Adding to 1011101022 its reverse (2201011101), we get a palindrome (3212112123).

The spelling of 1011101022 in words is "one billion, eleven million, one hundred one thousand, twenty-two".