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1200022110031 is a prime number
BaseRepresentation
bin10001011101100110111…
…001000011111101001111
311020201110121022102020111
4101131212321003331033
5124130121130010111
62315141010300451
7152461444430533
oct21354671037517
94221417272214
101200022110031
11422a21218748
121746a4b87727
1389214059674
144211d441bc3
1521336b06a21
hex11766e43f4f

1200022110031 has 2 divisors, whose sum is σ = 1200022110032. Its totient is φ = 1200022110030.

The previous prime is 1200022109939. The next prime is 1200022110041. The reversal of 1200022110031 is 1300112200021.

It is a strong prime.

It is an emirp because it is prime and its reverse (1300112200021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200022110031 - 27 = 1200022109903 is a prime.

It is a super-2 number, since 2×12000221100312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200022109993 and 1200022110020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200022110041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600011055015 + 600011055016.

It is an arithmetic number, because the mean of its divisors is an integer number (600011055016).

Almost surely, 21200022110031 is an apocalyptic number.

1200022110031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200022110031 is an equidigital number, since it uses as much as digits as its factorization.

1200022110031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1200022110031 its reverse (1300112200021), we get a palindrome (2500134310052).

The spelling of 1200022110031 in words is "one trillion, two hundred billion, twenty-two million, one hundred ten thousand, thirty-one".