222212012101 has 2 divisors, whose sum is σ = 222212012102. Its totient is φ = 222212012100.

The previous prime is 222212012063. The next prime is 222212012107. The reversal of 222212012101 is 101210212222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218300135076 + 3911877025 = 467226^2 + 62545^2 .

It is a cyclic number.

It is not a de Polignac number, because 222212012101 - 2¹⁷ = 222211881029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222212012107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106006050 + 111106006051.

It is an arithmetic number, because the mean of its divisors is an integer number (111106006051).

Almost surely, 2^222212012101 is an apocalyptic number.

It is an amenable number.

222212012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212012101 is an equidigital number, since it uses as much as digits as its factorization.

222212012101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222212012101 its reverse (101210212222), we get a palindrome (323422224323).

The spelling of 222212012101 in words is "two hundred twenty-two billion, two hundred twelve million, twelve thousand, one hundred one".