1112002621 has 2 divisors, whose sum is σ = 1112002622. Its totient is φ = 1112002620.

The previous prime is 1112002601. The next prime is 1112002637. The reversal of 1112002621 is 1262002111.

It is an a-pointer prime, because the next prime (1112002637) can be obtained adding 1112002621 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029447225 + 82555396 = 32085^2 + 9086^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112002621 - 2⁹ = 1112002109 is a prime.

It is a super-2 number, since 2×1112002621² = 2473099658221739282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112002595 and 1112002604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112002601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556001310 + 556001311.

It is an arithmetic number, because the mean of its divisors is an integer number (556001311).

Almost surely, 2^1112002621 is an apocalyptic number.

It is an amenable number.

1112002621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112002621 is an equidigital number, since it uses as much as digits as its factorization.

1112002621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1112002621 is about 33346.7033003264. The cubic root of 1112002621 is about 1036.0211074470.

Adding to 1112002621 its reverse (1262002111), we get a palindrome (2374004732).

The spelling of 1112002621 in words is "one billion, one hundred twelve million, two thousand, six hundred twenty-one".