101421222231 has 8 divisors (see below), whose sum is σ = 154546624384. Its totient is φ = 57954984120.

The previous prime is 101421222229. The next prime is 101421222239. The reversal of 101421222231 is 132222124101.

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 101421222231 - 2¹ = 101421222229 is a prime.

It is a super-2 number, since 2×101421222231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4829582011 = 101421222231 / (1 + 0 + 1 + 4 + 2 + 1 + 2 + 2 + 2 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101421222198 and 101421222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421222239) 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, 2414790985 + ... + 2414791026.

It is an arithmetic number, because the mean of its divisors is an integer number (19318328048).

Almost surely, 2^101421222231 is an apocalyptic number.

101421222231 is a deficient number, since it is larger than the sum of its proper divisors (53125402153).

101421222231 is an equidigital number, since it uses as much as digits as its factorization.

101421222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829582021.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101421222231 its reverse (132222124101), we get a palindrome (233643346332).

The spelling of 101421222231 in words is "one hundred one billion, four hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty-one".