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103222121111 = 108794960553
BaseRepresentation
bin110000000100010000…
…1001001001010010111
3100212102201122001110122
41200020201021022113
53142344330333421
6115230344142155
710312640360414
oct1401041111227
9325381561418
10103222121111
113a85a21840a
1218008a6795b
139970224c95
144dd2d6710b
152a420572ab
hex1808849297

103222121111 has 4 divisors (see below), whose sum is σ = 103317082752. Its totient is φ = 103127159472.

The previous prime is 103222121083. The next prime is 103222121131. The reversal of 103222121111 is 111121222301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111121222301 = 764914527549.

It is a cyclic number.

It is not a de Polignac number, because 103222121111 - 218 = 103221858967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103222121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103222121131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47479190 + ... + 47481363.

It is an arithmetic number, because the mean of its divisors is an integer number (25829270688).

Almost surely, 2103222121111 is an apocalyptic number.

103222121111 is a deficient number, since it is larger than the sum of its proper divisors (94961641).

103222121111 is an equidigital number, since it uses as much as digits as its factorization.

103222121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94961640.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 103222121111 its reverse (111121222301), we get a palindrome (214343343412).

The spelling of 103222121111 in words is "one hundred three billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".

Divisors: 1 1087 94960553 103222121111