210122221111102 has 32 divisors (see below), whose sum is σ = 323092327864320. Its totient is φ = 102428302921920.

The previous prime is 210122221111037. The next prime is 210122221111141. The reversal of 210122221111102 is 201111122221012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210122221111102.

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, 3621082213 + ... + 3621140239.

It is an arithmetic number, because the mean of its divisors is an integer number (10096635245760).

Almost surely, 2^{210122221111102} is an apocalyptic number.

210122221111102 is a deficient number, since it is larger than the sum of its proper divisors (112970106753218).

210122221111102 is a wasteful number, since it uses less digits than its factorization.

210122221111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87616.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210122221111102 its reverse (201111122221012), we get a palindrome (411233343332114).

The spelling of 210122221111102 in words is "two hundred ten trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".