101421221203 has 8 divisors (see below), whose sum is σ = 102946495248. Its totient is φ = 99906960384.

The previous prime is 101421221183. The next prime is 101421221227. The reversal of 101421221203 is 302122124101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101421221203 - 2¹⁷ = 101421090131 is a prime.

It is a super-3 number, since 3×101421221203³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101421221273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734750 + ... + 2771587.

It is an arithmetic number, because the mean of its divisors is an integer number (12868311906).

Almost surely, 2^101421221203 is an apocalyptic number.

101421221203 is a deficient number, since it is larger than the sum of its proper divisors (1525274045).

101421221203 is a wasteful number, since it uses less digits than its factorization.

101421221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506613.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101421221203 its reverse (302122124101), we get a palindrome (403543345304).

It can be divided in two parts, 101421 and 221203, that added together give a square (322624 = 568²).

The spelling of 101421221203 in words is "one hundred one billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred three".