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1222011022031 is a prime number
BaseRepresentation
bin10001110010000101100…
…010000110101011001111
311022211020001022212211122
4101302011202012223033
5130010134310201111
62333214545111155
7154200400205642
oct21620542065317
94284201285748
101222011022031
11431285400798
12178a010284bb
138b3097c87b7
1443207937a59
1521bc2294cdb
hex11c85886acf

1222011022031 has 2 divisors, whose sum is σ = 1222011022032. Its totient is φ = 1222011022030.

The previous prime is 1222011022021. The next prime is 1222011022123. The reversal of 1222011022031 is 1302201102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222011022031 - 26 = 1222011021967 is a prime.

It is a super-2 number, since 2×12220110220312 (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 (1222011022021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005511015 + 611005511016.

It is an arithmetic number, because the mean of its divisors is an integer number (611005511016).

Almost surely, 21222011022031 is an apocalyptic number.

1222011022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222011022031 is an equidigital number, since it uses as much as digits as its factorization.

1222011022031 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 1222011022031 its reverse (1302201102221), we get a palindrome (2524212124252).

The spelling of 1222011022031 in words is "one trillion, two hundred twenty-two billion, eleven million, twenty-two thousand, thirty-one".