212121002202 has 32 divisors (see below), whose sum is σ = 427793933952. Its totient is φ = 70116805824.

The previous prime is 212121002173. The next prime is 212121002213. The reversal of 212121002202 is 202200121212.

It is a super-3 number, since 3×212121002202³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249988 + ... + 697664.

It is an arithmetic number, because the mean of its divisors is an integer number (13368560436).

Almost surely, 2^212121002202 is an apocalyptic number.

212121002202 is an abundant number, since it is smaller than the sum of its proper divisors (215672931750).

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

212121002202 is a wasteful number, since it uses less digits than its factorization.

212121002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448342.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212121002202 its reverse (202200121212), we get a palindrome (414321123414).

The spelling of 212121002202 in words is "two hundred twelve billion, one hundred twenty-one million, two thousand, two hundred two".