1421012011 has 2 divisors, whose sum is σ = 1421012012. Its totient is φ = 1421012010.

The previous prime is 1421011981. The next prime is 1421012029. The reversal of 1421012011 is 1102101241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421012011 - 2⁵ = 1421011979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421011982 and 1421012000.

It is not a weakly prime, because it can be changed into another prime (1421012081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710506005 + 710506006.

It is an arithmetic number, because the mean of its divisors is an integer number (710506006).

Almost surely, 2^1421012011 is an apocalyptic number.

1421012011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421012011 is an equidigital number, since it uses as much as digits as its factorization.

1421012011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1421012011 is about 37696.3129629411. The cubic root of 1421012011 is about 1124.2578179011.

Adding to 1421012011 its reverse (1102101241), we get a palindrome (2523113252).

The spelling of 1421012011 in words is "one billion, four hundred twenty-one million, twelve thousand, eleven".