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1222112002031 is a prime number
BaseRepresentation
bin10001110010001011100…
…011010011111111101111
311022211111002100012100122
4101302023203103333233
5130010341133031111
62333232553315155
7154203034422164
oct21621343237757
94284432305318
101222112002031
11431327401538
12178a2aa05abb
138b3246c338b
144321710206b
1521bcb08ecdb
hex11c8b8d3fef

1222112002031 has 2 divisors, whose sum is σ = 1222112002032. Its totient is φ = 1222112002030.

The previous prime is 1222112001989. The next prime is 1222112002109. The reversal of 1222112002031 is 1302002112221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222112002031 - 222 = 1222107807727 is a prime.

It is a super-2 number, since 2×12221120020312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112002231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611056001015 + 611056001016.

It is an arithmetic number, because the mean of its divisors is an integer number (611056001016).

Almost surely, 21222112002031 is an apocalyptic number.

1222112002031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112002031 is an equidigital number, since it uses as much as digits as its factorization.

1222112002031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1222112002031 its reverse (1302002112221), we get a palindrome (2524114114252).

The spelling of 1222112002031 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two thousand, thirty-one".