102011211311203 has 4 divisors (see below), whose sum is σ = 102019361136880. Its totient is φ = 102003061485528.

The previous prime is 102011211311201. The next prime is 102011211311227. The reversal of 102011211311203 is 302113112110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102011211311203 - 2¹ = 102011211311201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011211311201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4074894063 + ... + 4074919096.

It is an arithmetic number, because the mean of its divisors is an integer number (25504840284220).

Almost surely, 2^{102011211311203} is an apocalyptic number.

102011211311203 is a deficient number, since it is larger than the sum of its proper divisors (8149825677).

102011211311203 is an equidigital number, since it uses as much as digits as its factorization.

102011211311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149825676.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102011211311203 its reverse (302113112110201), we get a palindrome (404124323421404).

The spelling of 102011211311203 in words is "one hundred two trillion, eleven billion, two hundred eleven million, three hundred eleven thousand, two hundred three".