211222020007 has 2 divisors, whose sum is σ = 211222020008. Its totient is φ = 211222020006.

The previous prime is 211222019977. The next prime is 211222020013. The reversal of 211222020007 is 700020222112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211222020007 - 2²³ = 211213631399 is a prime.

It is a super-2 number, since 2×211222020007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222020077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611010003 + 105611010004.

It is an arithmetic number, because the mean of its divisors is an integer number (105611010004).

Almost surely, 2^211222020007 is an apocalyptic number.

211222020007 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222020007 is an equidigital number, since it uses as much as digits as its factorization.

211222020007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 211222020007 its reverse (700020222112), we get a palindrome (911242242119).

The spelling of 211222020007 in words is "two hundred eleven billion, two hundred twenty-two million, twenty thousand, seven".