100021101231 has 8 divisors (see below), whose sum is σ = 135049588480. Its totient is φ = 65836674072.

The previous prime is 100021101227. The next prime is 100021101241. The reversal of 100021101231 is 132101120001.

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

It is not a de Polignac number, because 100021101231 - 2² = 100021101227 is a prime.

It is a super-2 number, since 2×100021101231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021101211) 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, 211014745 + ... + 211015218.

It is an arithmetic number, because the mean of its divisors is an integer number (16881198560).

Almost surely, 2^100021101231 is an apocalyptic number.

100021101231 is a deficient number, since it is larger than the sum of its proper divisors (35028487249).

100021101231 is an equidigital number, since it uses as much as digits as its factorization.

100021101231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422030045.

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

Adding to 100021101231 its reverse (132101120001), we get a palindrome (232122221232).

The spelling of 100021101231 in words is "one hundred billion, twenty-one million, one hundred one thousand, two hundred thirty-one".