101112101421 has 8 divisors (see below), whose sum is σ = 139165042944. Its totient is φ = 65233613760.

The previous prime is 101112101411. The next prime is 101112101437. The reversal of 101112101421 is 124101211101.

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 101112101421 - 2¹¹ = 101112099373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101112101421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112101411) 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 7 ways as a sum of consecutive naturals, for example, 543613356 + ... + 543613541.

It is an arithmetic number, because the mean of its divisors is an integer number (17395630368).

Almost surely, 2^101112101421 is an apocalyptic number.

It is an amenable number.

101112101421 is a deficient number, since it is larger than the sum of its proper divisors (38052941523).

101112101421 is a wasteful number, since it uses less digits than its factorization.

101112101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087226931.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101112101421 its reverse (124101211101), we get a palindrome (225213312522).

The spelling of 101112101421 in words is "one hundred one billion, one hundred twelve million, one hundred one thousand, four hundred twenty-one".