212101120200122 has 32 divisors (see below), whose sum is σ = 339908152550400. Its totient is φ = 98972434366128.

The previous prime is 212101120200121. The next prime is 212101120200127. The reversal of 212101120200122 is 221002021101212.

It is a self number, because there is not a number n which added to its sum of digits gives 212101120200122.

It is not an unprimeable number, because it can be changed into a prime (212101120200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95805122 + ... + 97993997.

It is an arithmetic number, because the mean of its divisors is an integer number (10622129767200).

Almost surely, 2^{212101120200122} is an apocalyptic number.

212101120200122 is a deficient number, since it is larger than the sum of its proper divisors (127807032350278).

212101120200122 is a wasteful number, since it uses less digits than its factorization.

212101120200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193799570.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212101120200122 its reverse (221002021101212), we get a palindrome (433103141301334).

The spelling of 212101120200122 in words is "two hundred twelve trillion, one hundred one billion, one hundred twenty million, two hundred thousand, one hundred twenty-two".