10203442221042 has 80 divisors (see below), whose sum is σ = 27265513030272. Its totient is φ = 2788518363840.

The previous prime is 10203442221041. The next prime is 10203442221083. The reversal of 10203442221042 is 24012224430201.

It is a happy number.

10203442221042 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 3 + 442 + 2 + 210 + 4 + 2 = 666.

It is a super-2 number, since 2×10203442221042² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 10203442220997 and 10203442221015.

It is not an unprimeable number, because it can be changed into a prime (10203442221041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 195577059 + ... + 195629222.

Almost surely, 2^{10203442221042} is an apocalyptic number.

10203442221042 is an abundant number, since it is smaller than the sum of its proper divisors (17062070809230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10203442221042 is a wasteful number, since it uses less digits than its factorization.

10203442221042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391206325 (or 391206316 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10203442221042 its reverse (24012224430201), we get a palindrome (34215666651243).

The spelling of 10203442221042 in words is "ten trillion, two hundred three billion, four hundred forty-two million, two hundred twenty-one thousand, forty-two".