101022 has 16 divisors (see below), whose sum is σ = 205200. Its totient is φ = 33152.

The previous prime is 101021. The next prime is 101027. The reversal of 101022 is 220101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 101022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (12825).

2¹⁰¹⁰²² is an apocalyptic number.

101022 is an abundant number, since it is smaller than the sum of its proper divisors (104178).

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

101022 is a wasteful number, since it uses less digits than its factorization.

101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 101022 is about 317.8395821794. The cubic root of 101022 is about 46.5734761596.

Adding to 101022 its reverse (220101), we get a palindrome (321123).

The spelling of 101022 in words is "one hundred one thousand, twenty-two", and thus it is an iban number.