2101022 has 24 divisors (see below), whose sum is σ = 4001400.
Its totient is φ = 818160.
The previous prime is 2101019. The next prime is 2101051. The reversal of 2101022 is 2201012.
Adding to 2101022 its reverse (2201012), we get a palindrome (4302034).
2101022 = T268 + T269 + ... +
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104 + ... + 2052.
It is an arithmetic number, because the mean of its divisors is an integer number (166725).
22101022 is an apocalyptic number.
2101022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2101022 is a deficient number, since it is larger than the sum of its proper divisors (1900378).
2101022 is a wasteful number, since it uses less digits than its factorization.
2101022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1976 (or 1969 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 2101022 is about 1449.4902552277.
The cubic root of 2101022 is about 128.0786869695.
The spelling of 2101022 in words is "two million, one hundred one thousand, twenty-two".