220212010002122 has 4 divisors (see below), whose sum is σ = 330318015003186. Its totient is φ = 110106005001060.

The previous prime is 220212010002097. The next prime is 220212010002137. The reversal of 220212010002122 is 221200010212022.

It is a happy number.

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., 192037262778001 + 28174747224121 = 13857751^2 + 5307989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220212010002122.

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, 55053002500529 + ... + 55053002500532.

Almost surely, 2^{220212010002122} is an apocalyptic number.

220212010002122 is a deficient number, since it is larger than the sum of its proper divisors (110106005001064).

220212010002122 is a wasteful number, since it uses less digits than its factorization.

220212010002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110106005001063.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220212010002122 its reverse (221200010212022), we get a palindrome (441412020214144).

The spelling of 220212010002122 in words is "two hundred twenty trillion, two hundred twelve billion, ten million, two thousand, one hundred twenty-two".