101421222242 has 8 divisors (see below), whose sum is σ = 152723786796. Its totient is φ = 50513293312.

The previous prime is 101421222239. The next prime is 101421222263. The reversal of 101421222242 is 242222124101.

It can be written as a sum of positive squares in 2 ways, for example, as 69822249121 + 31598973121 = 264239^2 + 177761^2 .

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

It is a super-2 number, since 2×101421222242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98658263 + ... + 98659290.

Almost surely, 2^101421222242 is an apocalyptic number.

101421222242 is a deficient number, since it is larger than the sum of its proper divisors (51302564554).

101421222242 is a wasteful number, since it uses less digits than its factorization.

101421222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197317812.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 101421222242 its reverse (242222124101), we get a palindrome (343643346343).

The spelling of 101421222242 in words is "one hundred one billion, four hundred twenty-one million, two hundred twenty-two thousand, two hundred forty-two".