101023111203 has 32 divisors (see below), whose sum is σ = 157527168000. Its totient is φ = 57563751168.

The previous prime is 101023111141. The next prime is 101023111219. The reversal of 101023111203 is 302111320101.

It is a happy number.

It is not a de Polignac number, because 101023111203 - 2¹⁴ = 101023094819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101023111403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224178 + ... + 502296.

It is an arithmetic number, because the mean of its divisors is an integer number (4922724000).

Almost surely, 2^101023111203 is an apocalyptic number.

101023111203 is a deficient number, since it is larger than the sum of its proper divisors (56504056797).

101023111203 is an equidigital number, since it uses as much as digits as its factorization.

101023111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278496 (or 278482 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101023111203 its reverse (302111320101), we get a palindrome (403134431304).

It can be divided in two parts, 101023 and 111203, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 101023111203 in words is "one hundred one billion, twenty-three million, one hundred eleven thousand, two hundred three".