20212111244 has 12 divisors (see below), whose sum is σ = 38092055904. Its totient is φ = 9328666704.

The previous prime is 20212111229. The next prime is 20212111277. The reversal of 20212111244 is 44211121202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194347172 + ... + 194347275.

It is an arithmetic number, because the mean of its divisors is an integer number (3174337992).

Almost surely, 2^20212111244 is an apocalyptic number.

It is an amenable number.

20212111244 is a deficient number, since it is larger than the sum of its proper divisors (17879944660).

20212111244 is a wasteful number, since it uses less digits than its factorization.

20212111244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388694464 (or 388694462 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20212111244 its reverse (44211121202), we get a palindrome (64423232446).

The spelling of 20212111244 in words is "twenty billion, two hundred twelve million, one hundred eleven thousand, two hundred forty-four".