211221142114 has 64 divisors (see below), whose sum is σ = 339458273280. Its totient is φ = 98353728000.

The previous prime is 211221142103. The next prime is 211221142117. The reversal of 211221142114 is 411241122112.

211221142114 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211221142114² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211221142117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122730774 + ... + 122732494.

It is an arithmetic number, because the mean of its divisors is an integer number (5304035520).

Almost surely, 2^211221142114 is an apocalyptic number.

211221142114 is a deficient number, since it is larger than the sum of its proper divisors (128237131166).

211221142114 is a wasteful number, since it uses less digits than its factorization.

211221142114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its digits is 256, while the sum is 22.

Adding to 211221142114 its reverse (411241122112), we get a palindrome (622462264226).

The spelling of 211221142114 in words is "two hundred eleven billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred fourteen".