211210121022202 has 32 divisors (see below), whose sum is σ = 318827560205952. Its totient is φ = 104934733909824.

The previous prime is 211210121022133. The next prime is 211210121022209. The reversal of 211210121022202 is 202220121012112.

It is a self number, because there is not a number n which added to its sum of digits gives 211210121022202.

It is not an unprimeable number, because it can be changed into a prime (211210121022209) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18998835948 + ... + 18998847064.

It is an arithmetic number, because the mean of its divisors is an integer number (9963361256436).

Almost surely, 2^{211210121022202} is an apocalyptic number.

211210121022202 is a deficient number, since it is larger than the sum of its proper divisors (107617439183750).

211210121022202 is a wasteful number, since it uses less digits than its factorization.

211210121022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26742.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211210121022202 its reverse (202220121012112), we get a palindrome (413430242034314).

The spelling of 211210121022202 in words is "two hundred eleven trillion, two hundred ten billion, one hundred twenty-one million, twenty-two thousand, two hundred two".