101020111122103 has 2 divisors, whose sum is σ = 101020111122104. Its totient is φ = 101020111122102.

The previous prime is 101020111122101. The next prime is 101020111122113. The reversal of 101020111122103 is 301221111020101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (301221111020101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101020111122103 - 2¹ = 101020111122101 is a prime.

It is a super-2 number, since 2×101020111122103² (a number of 29 digits) contains 22 as substring.

Together with 101020111122101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101020111122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510055561051 + 50510055561052.

It is an arithmetic number, because the mean of its divisors is an integer number (50510055561052).

Almost surely, 2^{101020111122103} is an apocalyptic number.

101020111122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020111122103 is an equidigital number, since it uses as much as digits as its factorization.

101020111122103 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 16.

Adding to 101020111122103 its reverse (301221111020101), we get a palindrome (402241222142204).

The spelling of 101020111122103 in words is "one hundred one trillion, twenty billion, one hundred eleven million, one hundred twenty-two thousand, one hundred three".