101021213203 has 32 divisors (see below), whose sum is σ = 109560729600. Its totient is φ = 92872560000.

The previous prime is 101021213197. The next prime is 101021213213. The reversal of 101021213203 is 302312120101.

It is a cyclic number.

It is not a de Polignac number, because 101021213203 - 2⁵ = 101021213171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021213213) 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, 91091613 + ... + 91092721.

It is an arithmetic number, because the mean of its divisors is an integer number (3423772800).

Almost surely, 2^101021213203 is an apocalyptic number.

101021213203 is a deficient number, since it is larger than the sum of its proper divisors (8539516397).

101021213203 is a wasteful number, since it uses less digits than its factorization.

101021213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101021213203 its reverse (302312120101), we get a palindrome (403333333304).

The spelling of 101021213203 in words is "one hundred one billion, twenty-one million, two hundred thirteen thousand, two hundred three".