1222101013 has 6 divisors (see below), whose sum is σ = 1421627766. Its totient is φ = 1047515112.

The previous prime is 1222100993. The next prime is 1222101017. The reversal of 1222101013 is 3101012221.

It can be written as a sum of positive squares in only one way, i.e., 1135555204 + 86545809 = 33698^2 + 9303^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1222101013 is a prime.

It is a super-3 number, since 3×1222101013³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222100984 and 1222101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12470370 + ... + 12470467.

It is an arithmetic number, because the mean of its divisors is an integer number (236937961).

Almost surely, 2^1222101013 is an apocalyptic number.

It is an amenable number.

1222101013 is a deficient number, since it is larger than the sum of its proper divisors (199526753).

1222101013 is an equidigital number, since it uses as much as digits as its factorization.

1222101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24940851 (or 24940844 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1222101013 is about 34958.5613691410. The cubic root of 1222101013 is about 1069.1427649446.

Adding to 1222101013 its reverse (3101012221), we get a palindrome (4323113234).

The spelling of 1222101013 in words is "one billion, two hundred twenty-two million, one hundred one thousand, thirteen".