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2222021222131 is a prime number
BaseRepresentation
bin100000010101011010110…
…010010001111011110011
321212102102110221112020011
4200111122302101323303
5242401144413102011
64420441002155351
7316351520516614
oct40253262217363
97772373845204
102222021222131
11787399063117
122ba7864b2b57
131316c6c25ca9
1479791477c0b
153cbee873621
hex2055ac91ef3

2222021222131 has 2 divisors, whose sum is σ = 2222021222132. Its totient is φ = 2222021222130.

The previous prime is 2222021222093. The next prime is 2222021222153. The reversal of 2222021222131 is 1312221202222.

It is a happy number.

2222021222131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2222021222153) can be obtained adding 2222021222131 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2222021222131 - 233 = 2213431287539 is a prime.

It is a super-2 number, since 2×22220212221312 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2222021220131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111010611065 + 1111010611066.

It is an arithmetic number, because the mean of its divisors is an integer number (1111010611066).

Almost surely, 22222021222131 is an apocalyptic number.

2222021222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222021222131 is an equidigital number, since it uses as much as digits as its factorization.

2222021222131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 2222021222131 its reverse (1312221202222), we get a palindrome (3534242424353).

The spelling of 2222021222131 in words is "two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, one hundred thirty-one".