101111021021203 has 2 divisors, whose sum is σ = 101111021021204. Its totient is φ = 101111021021202.

The previous prime is 101111021021201. The next prime is 101111021021207. The reversal of 101111021021203 is 302120120111101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101111021021203 - 2¹ = 101111021021201 is a prime.

Together with 101111021021201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101111021021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555510510601 + 50555510510602.

It is an arithmetic number, because the mean of its divisors is an integer number (50555510510602).

Almost surely, 2^{101111021021203} is an apocalyptic number.

101111021021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111021021203 is an equidigital number, since it uses as much as digits as its factorization.

101111021021203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 101111021021203 its reverse (302120120111101), we get a palindrome (403231141132304).

The spelling of 101111021021203 in words is "one hundred one trillion, one hundred eleven billion, twenty-one million, twenty-one thousand, two hundred three".