1102013000021 has 2 divisors, whose sum is σ = 1102013000022. Its totient is φ = 1102013000020.

The previous prime is 1102013000003. The next prime is 1102013000027. The reversal of 1102013000021 is 1200003102011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 689919616996 + 412093383025 = 830614^2 + 641945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102013000021 - 2²⁶ = 1101945891157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102012999966 and 1102013000011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102013000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551006500010 + 551006500011.

It is an arithmetic number, because the mean of its divisors is an integer number (551006500011).

Almost surely, 2^{1102013000021} is an apocalyptic number.

It is an amenable number.

1102013000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102013000021 is an equidigital number, since it uses as much as digits as its factorization.

1102013000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1102013000021 its reverse (1200003102011), we get a palindrome (2302016102032).

The spelling of 1102013000021 in words is "one trillion, one hundred two billion, thirteen million, twenty-one", and thus it is an aban number.