122100211021222 has 32 divisors (see below), whose sum is σ = 209806521523200. Its totient is φ = 52205703113088.

The previous prime is 122100211021199. The next prime is 122100211021277. The reversal of 122100211021222 is 222120112001221.

It is a super-2 number, since 2×122100211021222² (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 122100211021222.

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, 154666179 + ... + 155453617.

It is an arithmetic number, because the mean of its divisors is an integer number (6556453797600).

Almost surely, 2^{122100211021222} is an apocalyptic number.

122100211021222 is a deficient number, since it is larger than the sum of its proper divisors (87706310501978).

122100211021222 is a wasteful number, since it uses less digits than its factorization.

122100211021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813460.

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

Adding to 122100211021222 its reverse (222120112001221), we get a palindrome (344220323022443).

The spelling of 122100211021222 in words is "one hundred twenty-two trillion, one hundred billion, two hundred eleven million, twenty-one thousand, two hundred twenty-two".