220212222210122 has 4 divisors (see below), whose sum is σ = 330318333315186. Its totient is φ = 110106111105060.

The previous prime is 220212222210089. The next prime is 220212222210131. The reversal of 220212222210122 is 221012222212022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 173249010683281 + 46963211526841 = 13162409^2 + 6852971^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55053055552529 + ... + 55053055552532.

Almost surely, 2^{220212222210122} is an apocalyptic number.

220212222210122 is a deficient number, since it is larger than the sum of its proper divisors (110106111105064).

220212222210122 is a wasteful number, since it uses less digits than its factorization.

220212222210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110106111105063.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 220212222210122 its reverse (221012222212022), we get a palindrome (441224444422144).

The spelling of 220212222210122 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".