211222002120202 has 16 divisors (see below), whose sum is σ = 330698361850560. Its totient is φ = 100991715134112.

The previous prime is 211222002120163. The next prime is 211222002120203. The reversal of 211222002120202 is 202021200222112.

It is a super-2 number, since 2×211222002120202² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222002120202.

It is not an unprimeable number, because it can be changed into a prime (211222002120203) 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, 624903552 + ... + 625241467.

It is an arithmetic number, because the mean of its divisors is an integer number (20668647615660).

Almost surely, 2^{211222002120202} is an apocalyptic number.

211222002120202 is a deficient number, since it is larger than the sum of its proper divisors (119476359730358).

211222002120202 is a wasteful number, since it uses less digits than its factorization.

211222002120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250148717.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211222002120202 its reverse (202021200222112), we get a palindrome (413243202342314).

The spelling of 211222002120202 in words is "two hundred eleven trillion, two hundred twenty-two billion, two million, one hundred twenty thousand, two hundred two".