113222220212501 has 2 divisors, whose sum is σ = 113222220212502. Its totient is φ = 113222220212500.

The previous prime is 113222220212477. The next prime is 113222220212527. The reversal of 113222220212501 is 105212022222311.

It is an a-pointer prime, because the next prime (113222220212527) can be obtained adding 113222220212501 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78904579980625 + 34317640231876 = 8882825^2 + 5858126^2 .

It is a cyclic number.

It is not a de Polignac number, because 113222220212501 - 2¹⁴ = 113222220196117 is a prime.

It is a super-2 number, since 2×113222220212501² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113222220212531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611110106250 + 56611110106251.

It is an arithmetic number, because the mean of its divisors is an integer number (56611110106251).

Almost surely, 2^{113222220212501} is an apocalyptic number.

It is an amenable number.

113222220212501 is a deficient number, since it is larger than the sum of its proper divisors (1).

113222220212501 is an equidigital number, since it uses as much as digits as its factorization.

113222220212501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 113222220212501 its reverse (105212022222311), we get a palindrome (218434242434812).

The spelling of 113222220212501 in words is "one hundred thirteen trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twelve thousand, five hundred one".