2121022202 has 16 divisors (see below), whose sum is σ = 3440493672. Its totient is φ = 974868480.

The previous prime is 2121022181. The next prime is 2121022219. The reversal of 2121022202 is 2022201212.

It can be written as a sum of positive squares in 4 ways, for example, as 1218079801 + 902942401 = 34901^2 + 30049^2 .

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, 162983 + ... + 175514.

Almost surely, 2^2121022202 is an apocalyptic number.

2121022202 is a deficient number, since it is larger than the sum of its proper divisors (1319471470).

2121022202 is a wasteful number, since it uses less digits than its factorization.

2121022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338753.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2121022202 is about 46054.5567995177. The cubic root of 2121022202 is about 1284.8380951420.

Adding to 2121022202 its reverse (2022201212), we get a palindrome (4143223414).

The spelling of 2121022202 in words is "two billion, one hundred twenty-one million, twenty-two thousand, two hundred two".