2121002202 has 16 divisors (see below), whose sum is σ = 4627641312. Its totient is φ = 642727920.

The previous prime is 2121002197. The next prime is 2121002207. The reversal of 2121002202 is 2022001212.

It is an interprime number because it is at equal distance from previous prime (2121002197) and next prime (2121002207).

It is not an unprimeable number, because it can be changed into a prime (2121002207) 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, 16068133 + ... + 16068264.

It is an arithmetic number, because the mean of its divisors is an integer number (289227582).

Almost surely, 2^2121002202 is an apocalyptic number.

2121002202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121002202 is an abundant number, since it is smaller than the sum of its proper divisors (2506639110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121002202 is a wasteful number, since it uses less digits than its factorization.

2121002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32136413.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2121002202 is about 46054.3396652259. The cubic root of 2121002202 is about 1284.8340567051.

Adding to 2121002202 its reverse (2022001212), we get a palindrome (4143003414).

The spelling of 2121002202 in words is "two billion, one hundred twenty-one million, two thousand, two hundred two".