2121202202 has 16 divisors (see below), whose sum is σ = 3672352512. Its totient is φ = 900085200.

The previous prime is 2121202147. The next prime is 2121202211. The reversal of 2121202202 is 2022021212.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 748658 + ... + 751485.

It is an arithmetic number, because the mean of its divisors is an integer number (229522032).

Almost surely, 2^2121202202 is an apocalyptic number.

2121202202 is a deficient number, since it is larger than the sum of its proper divisors (1551150310).

2121202202 is a wasteful number, since it uses less digits than its factorization.

2121202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500253.

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

The square root of 2121202202 is about 46056.5109620779. The cubic root of 2121202202 is about 1284.8744399313.

Adding to 2121202202 its reverse (2022021212), we get a palindrome (4143223414).

The spelling of 2121202202 in words is "two billion, one hundred twenty-one million, two hundred two thousand, two hundred two".