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1201112220031 is a prime number
BaseRepresentation
bin10001011110100111110…
…111100000000101111111
311020211021120112202000221
4101132213313200011333
5124134334212020111
62315441111202211
7152530452263023
oct21364767400577
94224246482027
101201112220031
114234305984a9
1217494a076367
1389358b56879
14421c4128383
152139c687371
hex117a7de017f

1201112220031 has 2 divisors, whose sum is σ = 1201112220032. Its totient is φ = 1201112220030.

The previous prime is 1201112219999. The next prime is 1201112220137. The reversal of 1201112220031 is 1300222111021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201112220031 - 25 = 1201112219999 is a prime.

It is a super-2 number, since 2×12011122200312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201112219987 and 1201112220014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201112221031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600556110015 + 600556110016.

It is an arithmetic number, because the mean of its divisors is an integer number (600556110016).

Almost surely, 21201112220031 is an apocalyptic number.

1201112220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201112220031 is an equidigital number, since it uses as much as digits as its factorization.

1201112220031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201112220031 its reverse (1300222111021), we get a palindrome (2501334331052).

The spelling of 1201112220031 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred twenty thousand, thirty-one".