2122021021202 has 4 divisors (see below), whose sum is σ = 3183031531806. Its totient is φ = 1061010510600.

The previous prime is 2122021021177. The next prime is 2122021021229. The reversal of 2122021021202 is 2021201202212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1384742916001 + 737278105201 = 1176751^2 + 858649^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530505255299 + ... + 530505255302.

Almost surely, 2^{2122021021202} is an apocalyptic number.

2122021021202 is a deficient number, since it is larger than the sum of its proper divisors (1061010510604).

2122021021202 is a wasteful number, since it uses less digits than its factorization.

2122021021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061010510603.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122021021202 its reverse (2021201202212), we get a palindrome (4143222223414).

The spelling of 2122021021202 in words is "two trillion, one hundred twenty-two billion, twenty-one million, twenty-one thousand, two hundred two".