2101021022 has 8 divisors (see below), whose sum is σ = 3224823096. Its totient is φ = 1026079992.

The previous prime is 2101021019. The next prime is 2101021033. The reversal of 2101021022 is 2201201012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2101020994 and 2101021012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12215153 + ... + 12215324.

It is an arithmetic number, because the mean of its divisors is an integer number (403102887).

Almost surely, 2^2101021022 is an apocalyptic number.

2101021022 is a deficient number, since it is larger than the sum of its proper divisors (1123802074).

2101021022 is a wasteful number, since it uses less digits than its factorization.

2101021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24430522.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2101021022 is about 45836.8958591220. The cubic root of 2101021022 is about 1280.7866709645.

Adding to 2101021022 its reverse (2201201012), we get a palindrome (4302222034).

The spelling of 2101021022 in words is "two billion, one hundred one million, twenty-one thousand, twenty-two".