212111220202 has 16 divisors (see below), whose sum is σ = 363755434752. Its totient is φ = 90870758640.

The previous prime is 212111220161. The next prime is 212111220221. The reversal of 212111220202 is 202022111212.

It is a happy number.

212111220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798773 + ... + 2873560.

It is an arithmetic number, because the mean of its divisors is an integer number (22734714672).

Almost surely, 2^212111220202 is an apocalyptic number.

212111220202 is a deficient number, since it is larger than the sum of its proper divisors (151644214550).

212111220202 is a wasteful number, since it uses less digits than its factorization.

212111220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5675013.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212111220202 its reverse (202022111212), we get a palindrome (414133331414).

The spelling of 212111220202 in words is "two hundred twelve billion, one hundred eleven million, two hundred twenty thousand, two hundred two".