1021214013 has 4 divisors (see below), whose sum is σ = 1361618688. Its totient is φ = 680809340.

The previous prime is 1021214011. The next prime is 1021214039. The reversal of 1021214013 is 3104121201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1021214013 - 2¹ = 1021214011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021213983 and 1021214001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021214011) 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, 170202333 + ... + 170202338.

It is an arithmetic number, because the mean of its divisors is an integer number (340404672).

Almost surely, 2^1021214013 is an apocalyptic number.

It is an amenable number.

1021214013 is a deficient number, since it is larger than the sum of its proper divisors (340404675).

1021214013 is an equidigital number, since it uses as much as digits as its factorization.

1021214013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340404674.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1021214013 is about 31956.4393041528. The cubic root of 1021214013 is about 1007.0219149663.

Adding to 1021214013 its reverse (3104121201), we get a palindrome (4125335214).

The spelling of 1021214013 in words is "one billion, twenty-one million, two hundred fourteen thousand, thirteen".