21211123314 has 16 divisors (see below), whose sum is σ = 42523498080. Its totient is φ = 7053499200.

The previous prime is 21211123301. The next prime is 21211123321. The reversal of 21211123314 is 41332111212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4216087 + ... + 4221114.

It is an arithmetic number, because the mean of its divisors is an integer number (2657718630).

Almost surely, 2^21211123314 is an apocalyptic number.

21211123314 is an abundant number, since it is smaller than the sum of its proper divisors (21312374766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21211123314 is a wasteful number, since it uses less digits than its factorization.

21211123314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437625.

The product of its digits is 288, while the sum is 21.

Adding to 21211123314 its reverse (41332111212), we get a palindrome (62543234526).

The spelling of 21211123314 in words is "twenty-one billion, two hundred eleven million, one hundred twenty-three thousand, three hundred fourteen".