220212122102122 has 4 divisors (see below), whose sum is σ = 330318183153186. Its totient is φ = 110106061051060.

The previous prime is 220212122102101. The next prime is 220212122102143. The reversal of 220212122102122 is 221201221212022.

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

It is an interprime number because it is at equal distance from previous prime (220212122102101) and next prime (220212122102143).

It can be written as a sum of positive squares in only one way, i.e., 115041949029121 + 105170173073001 = 10725761^2 + 10255251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220212122102093 and 220212122102102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55053030525529 + ... + 55053030525532.

Almost surely, 2^{220212122102122} is an apocalyptic number.

220212122102122 is a deficient number, since it is larger than the sum of its proper divisors (110106061051064).

220212122102122 is a wasteful number, since it uses less digits than its factorization.

220212122102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110106061051063.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 220212122102122 its reverse (221201221212022), we get a palindrome (441413343314144).

The spelling of 220212122102122 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, one hundred twenty-two".