2221013430042 has 48 divisors (see below), whose sum is σ = 5147665018272. Its totient is φ = 633444110080.

The previous prime is 2221013430007. The next prime is 2221013430067. The reversal of 2221013430042 is 2400343101222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221013429994 and 2221013430021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58201893 + ... + 58240040.

It is an arithmetic number, because the mean of its divisors is an integer number (107243021214).

Almost surely, 2^{2221013430042} is an apocalyptic number.

2221013430042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221013430042 is an abundant number, since it is smaller than the sum of its proper divisors (2926651588230).

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

2221013430042 is a wasteful number, since it uses less digits than its factorization.

2221013430042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116441983 (or 116441966 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2221013430042 its reverse (2400343101222), we get a palindrome (4621356531264).

The spelling of 2221013430042 in words is "two trillion, two hundred twenty-one billion, thirteen million, four hundred thirty thousand, forty-two".