101421033243 has 8 divisors (see below), whose sum is σ = 141107524608. Its totient is φ = 64674282024.

The previous prime is 101421033239. The next prime is 101421033257. The reversal of 101421033243 is 342330124101.

It is a happy number.

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

It is not a de Polignac number, because 101421033243 - 2² = 101421033239 is a prime.

It is a super-2 number, since 2×101421033243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101421033293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734934955 + ... + 734935092.

It is an arithmetic number, because the mean of its divisors is an integer number (17638440576).

Almost surely, 2^101421033243 is an apocalyptic number.

101421033243 is a deficient number, since it is larger than the sum of its proper divisors (39686491365).

101421033243 is a wasteful number, since it uses less digits than its factorization.

101421033243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469870073.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 101421033243 its reverse (342330124101), we get a palindrome (443751157344).

The spelling of 101421033243 in words is "one hundred one billion, four hundred twenty-one million, thirty-three thousand, two hundred forty-three".