2101255022 has 16 divisors (see below), whose sum is σ = 3289894272. Its totient is φ = 1004650680.

The previous prime is 2101255019. The next prime is 2101255103. The reversal of 2101255022 is 2205521012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101254985 and 2101255003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304373 + ... + 311199.

It is an arithmetic number, because the mean of its divisors is an integer number (205618392).

Almost surely, 2^2101255022 is an apocalyptic number.

2101255022 is a deficient number, since it is larger than the sum of its proper divisors (1188639250).

2101255022 is a wasteful number, since it uses less digits than its factorization.

2101255022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13543.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2101255022 is about 45839.4483169246. The cubic root of 2101255022 is about 1280.8342181573.

Adding to 2101255022 its reverse (2205521012), we get a palindrome (4306776034).

The spelling of 2101255022 in words is "two billion, one hundred one million, two hundred fifty-five thousand, twenty-two".