1122021000013 has 2 divisors, whose sum is σ = 1122021000014. Its totient is φ = 1122021000012.

The previous prime is 1122021000011. The next prime is 1122021000119. The reversal of 1122021000013 is 3100001202211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948087795204 + 173933204809 = 973698^2 + 417053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122021000013 - 2¹ = 1122021000011 is a prime.

It is a super-2 number, since 2×1122021000013² (a number of 25 digits) contains 22 as substring.

Together with 1122021000011, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1122020999957 and 1122021000002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122021000011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010500006 + 561010500007.

It is an arithmetic number, because the mean of its divisors is an integer number (561010500007).

Almost surely, 2^{1122021000013} is an apocalyptic number.

It is an amenable number.

1122021000013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122021000013 is an equidigital number, since it uses as much as digits as its factorization.

1122021000013 is an evil number, because the sum of its binary digits is even.

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

Adding to 1122021000013 its reverse (3100001202211), we get a palindrome (4222022202224).

The spelling of 1122021000013 in words is "one trillion, one hundred twenty-two billion, twenty-one million, thirteen", and thus it is an aban number.