2121222202 has 24 divisors (see below), whose sum is σ = 3539557728. Its totient is φ = 952566120.

The previous prime is 2121222193. The next prime is 2121222227. The reversal of 2121222202 is 2022221212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32718 + ... + 72889.

It is an arithmetic number, because the mean of its divisors is an integer number (147481572).

Almost surely, 2^2121222202 is an apocalyptic number.

2121222202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121222202 is a deficient number, since it is larger than the sum of its proper divisors (1418335526).

2121222202 is a wasteful number, since it uses less digits than its factorization.

2121222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105714 (or 105703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2121222202 is about 46056.7280861331. The cubic root of 2121222202 is about 1284.8784781143.

Adding to 2121222202 its reverse (2022221212), we get a palindrome (4143443414).

The spelling of 2121222202 in words is "two billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred two".