220212122102149 has 2 divisors, whose sum is σ = 220212122102150. Its totient is φ = 220212122102148.

The previous prime is 220212122102143. The next prime is 220212122102239. The reversal of 220212122102149 is 941201221212022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181897631485249 + 38314490616900 = 13486943^2 + 6189870^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212122102149 - 2⁹ = 220212122101637 is a prime.

It is a super-2 number, since 2×220212122102149² (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 220212122102149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212122102143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106061051074 + 110106061051075.

It is an arithmetic number, because the mean of its divisors is an integer number (110106061051075).

Almost surely, 2^{220212122102149} is an apocalyptic number.

It is an amenable number.

220212122102149 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212122102149 is an equidigital number, since it uses as much as digits as its factorization.

220212122102149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 220212122102149 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, one hundred forty-nine".