2122021102 has 16 divisors (see below), whose sum is σ = 3254841792. Its totient is φ = 1037219040.

The previous prime is 2122021093. The next prime is 2122021103. The reversal of 2122021102 is 2011202212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122021103) 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, 6774 + ... + 65497.

It is an arithmetic number, because the mean of its divisors is an integer number (203427612).

Almost surely, 2^2122021102 is an apocalyptic number.

2122021102 is a deficient number, since it is larger than the sum of its proper divisors (1132820690).

2122021102 is a wasteful number, since it uses less digits than its factorization.

2122021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72603.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2122021102 is about 46065.4002696167. The cubic root of 2122021102 is about 1285.0397625813.

Adding to 2122021102 its reverse (2011202212), we get a palindrome (4133223314).

The spelling of 2122021102 in words is "two billion, one hundred twenty-two million, twenty-one thousand, one hundred two".