101012211111013 has 2 divisors, whose sum is σ = 101012211111014. Its totient is φ = 101012211111012.

The previous prime is 101012211110963. The next prime is 101012211111113. The reversal of 101012211111013 is 310111112210101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79667459989569 + 21344751121444 = 8925663^2 + 4620038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101012211111013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101012211111113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506105555506 + 50506105555507.

It is an arithmetic number, because the mean of its divisors is an integer number (50506105555507).

Almost surely, 2^{101012211111013} is an apocalyptic number.

It is an amenable number.

101012211111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012211111013 is an equidigital number, since it uses as much as digits as its factorization.

101012211111013 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 16.

Adding to 101012211111013 its reverse (310111112210101), we get a palindrome (411123323321114).

The spelling of 101012211111013 in words is "one hundred one trillion, twelve billion, two hundred eleven million, one hundred eleven thousand, thirteen".