101203101023203 has 4 divisors (see below), whose sum is σ = 101682736573288. Its totient is φ = 100723465473120.

The previous prime is 101203101023191. The next prime is 101203101023249. The reversal of 101203101023203 is 302320101302101.

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 101203101023203 - 2⁴⁵ = 66018728934371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101203101023803) 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, 239817774726 + ... + 239817775147.

It is an arithmetic number, because the mean of its divisors is an integer number (25420684143322).

Almost surely, 2^{101203101023203} is an apocalyptic number.

101203101023203 is a deficient number, since it is larger than the sum of its proper divisors (479635550085).

101203101023203 is an equidigital number, since it uses as much as digits as its factorization.

101203101023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479635550084.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101203101023203 its reverse (302320101302101), we get a palindrome (403523202325304).

The spelling of 101203101023203 in words is "one hundred one trillion, two hundred three billion, one hundred one million, twenty-three thousand, two hundred three".