101020120203 has 32 divisors (see below), whose sum is σ = 141664038912. Its totient is φ = 63951552000.

The previous prime is 101020120181. The next prime is 101020120217. The reversal of 101020120203 is 302021020101.

It is not a de Polignac number, because 101020120203 - 2⁵ = 101020120171 is a prime.

It is a super-2 number, since 2×101020120203² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101020120273) 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, 6488278 + ... + 6503828.

It is an arithmetic number, because the mean of its divisors is an integer number (4427001216).

Almost surely, 2^101020120203 is an apocalyptic number.

101020120203 is a deficient number, since it is larger than the sum of its proper divisors (40643918709).

101020120203 is a wasteful number, since it uses less digits than its factorization.

101020120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16995.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 101020120203 its reverse (302021020101), we get a palindrome (403041140304).

The spelling of 101020120203 in words is "one hundred one billion, twenty million, one hundred twenty thousand, two hundred three".