21122133014 has 4 divisors (see below), whose sum is σ = 31683199524. Its totient is φ = 10561066506.

The previous prime is 21122132981. The next prime is 21122133023. The reversal of 21122133014 is 41033122112.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21122133014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5280533252 + ... + 5280533255.

It is an arithmetic number, because the mean of its divisors is an integer number (7920799881).

Almost surely, 2^21122133014 is an apocalyptic number.

21122133014 is a deficient number, since it is larger than the sum of its proper divisors (10561066510).

21122133014 is a wasteful number, since it uses less digits than its factorization.

21122133014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10561066509.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21122133014 its reverse (41033122112), we get a palindrome (62155255126).

The spelling of 21122133014 in words is "twenty-one billion, one hundred twenty-two million, one hundred thirty-three thousand, fourteen".