1000000421111 has 4 divisors (see below), whose sum is σ = 1058823975312. Its totient is φ = 941176866912.

The previous prime is 1000000421053. The next prime is 1000000421171. The reversal of 1000000421111 is 1111240000001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000000421111 - 2¹⁴ = 1000000404727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000000421092 and 1000000421101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000421171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29411777075 + ... + 29411777108.

It is an arithmetic number, because the mean of its divisors is an integer number (264705993828).

Almost surely, 2^{1000000421111} is an apocalyptic number.

1000000421111 is a deficient number, since it is larger than the sum of its proper divisors (58823554201).

1000000421111 is an equidigital number, since it uses as much as digits as its factorization.

1000000421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58823554200.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000000421111 its reverse (1111240000001), we get a palindrome (2111240421112).

The spelling of 1000000421111 in words is "one trillion, four hundred twenty-one thousand, one hundred eleven".