1421010111 has 8 divisors (see below), whose sum is σ = 1902608640. Its totient is φ = 943375832.

The previous prime is 1421010077. The next prime is 1421010119. The reversal of 1421010111 is 1110101241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421010111 - 2¹⁴ = 1420993727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421010119) 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, 990225 + ... + 991658.

It is an arithmetic number, because the mean of its divisors is an integer number (237826080).

Almost surely, 2^1421010111 is an apocalyptic number.

1421010111 is a deficient number, since it is larger than the sum of its proper divisors (481598529).

1421010111 is a wasteful number, since it uses less digits than its factorization.

1421010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982125.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1421010111 is about 37696.2877615290. The cubic root of 1421010111 is about 1124.2573168284.

Adding to 1421010111 its reverse (1110101241), we get a palindrome (2531111352).

The spelling of 1421010111 in words is "one billion, four hundred twenty-one million, ten thousand, one hundred eleven".