220212323101 has 2 divisors, whose sum is σ = 220212323102. Its totient is φ = 220212323100.

The previous prime is 220212323053. The next prime is 220212323117. The reversal of 220212323101 is 101323212022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194436020601 + 25776302500 = 440949^2 + 160550^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212323101 - 2¹¹ = 220212321053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220212323501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106161550 + 110106161551.

It is an arithmetic number, because the mean of its divisors is an integer number (110106161551).

Almost surely, 2^220212323101 is an apocalyptic number.

It is an amenable number.

220212323101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220212323101 is an equidigital number, since it uses as much as digits as its factorization.

220212323101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220212323101 its reverse (101323212022), we get a palindrome (321535535123).

The spelling of 220212323101 in words is "two hundred twenty billion, two hundred twelve million, three hundred twenty-three thousand, one hundred one".