1214113021 has 16 divisors (see below), whose sum is σ = 1416305088. Its totient is φ = 1028512000.

The previous prime is 1214113009. The next prime is 1214113037. The reversal of 1214113021 is 1203114121.

It is a cyclic number.

It is not a de Polignac number, because 1214113021 - 2¹¹ = 1214110973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214112986 and 1214113004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214113051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13255 + ... + 51028.

It is an arithmetic number, because the mean of its divisors is an integer number (88519068).

Almost surely, 2^1214113021 is an apocalyptic number.

1214113021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1214113021 is a deficient number, since it is larger than the sum of its proper divisors (202192067).

1214113021 is a wasteful number, since it uses less digits than its factorization.

1214113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64412.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1214113021 is about 34844.1246266856. The cubic root of 1214113021 is about 1066.8082664340.

Adding to 1214113021 its reverse (1203114121), we get a palindrome (2417227142).

The spelling of 1214113021 in words is "one billion, two hundred fourteen million, one hundred thirteen thousand, twenty-one".