1021114001 has 2 divisors, whose sum is σ = 1021114002. Its totient is φ = 1021114000.

The previous prime is 1021113997. The next prime is 1021114013. The reversal of 1021114001 is 1004111201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511438225 + 509675776 = 22615^2 + 22576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021114001 - 2² = 1021113997 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021114051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510557000 + 510557001.

It is an arithmetic number, because the mean of its divisors is an integer number (510557001).

Almost surely, 2^1021114001 is an apocalyptic number.

It is an amenable number.

1021114001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021114001 is an equidigital number, since it uses as much as digits as its factorization.

1021114001 is an evil number, because the sum of its binary digits is even.

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

The square root of 1021114001 is about 31954.8744481965. The cubic root of 1021114001 is about 1006.9890398581.

Adding to 1021114001 its reverse (1004111201), we get a palindrome (2025225202).

The spelling of 1021114001 in words is "one billion, twenty-one million, one hundred fourteen thousand, one".