211210102012222 has 32 divisors (see below), whose sum is σ = 333758430046080. Its totient is φ = 99966256751520.

The previous prime is 211210102012163. The next prime is 211210102012307. The reversal of 211210102012222 is 222210201012112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 211210102012222.

It is a congruent number.

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, 2522863908 + ... + 2522947624.

It is an arithmetic number, because the mean of its divisors is an integer number (10429950938940).

Almost surely, 2^{211210102012222} is an apocalyptic number.

211210102012222 is a deficient number, since it is larger than the sum of its proper divisors (122548328033858).

211210102012222 is a wasteful number, since it uses less digits than its factorization.

211210102012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136456.

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

Adding to 211210102012222 its reverse (222210201012112), we get a palindrome (433420303024334).

The spelling of 211210102012222 in words is "two hundred eleven trillion, two hundred ten billion, one hundred two million, twelve thousand, two hundred twenty-two".