7021112112101 has 2 divisors, whose sum is σ = 7021112112102. Its totient is φ = 7021112112100.

The previous prime is 7021112112067. The next prime is 7021112112143. The reversal of 7021112112101 is 1012112111207.

It is a happy number.

7021112112101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6730859472100 + 290252640001 = 2594390^2 + 538751^2 .

It is an emirp because it is prime and its reverse (1012112111207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7021112112101 - 2¹⁰ = 7021112111077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7021112112191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510556056050 + 3510556056051.

It is an arithmetic number, because the mean of its divisors is an integer number (3510556056051).

Almost surely, 2^{7021112112101} is an apocalyptic number.

It is an amenable number.

7021112112101 is a deficient number, since it is larger than the sum of its proper divisors (1).

7021112112101 is an equidigital number, since it uses as much as digits as its factorization.

7021112112101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 7021112112101 its reverse (1012112111207), we get a palindrome (8033224223308).

The spelling of 7021112112101 in words is "seven trillion, twenty-one billion, one hundred twelve million, one hundred twelve thousand, one hundred one".