20111234241 has 32 divisors (see below), whose sum is σ = 31034465280. Its totient is φ = 11346519744.

The previous prime is 20111234239. The next prime is 20111234249. The reversal of 20111234241 is 14243211102.

It is not a de Polignac number, because 20111234241 - 2¹ = 20111234239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20111234249) 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, 4074411 + ... + 4079343.

It is an arithmetic number, because the mean of its divisors is an integer number (969827040).

Almost surely, 2^20111234241 is an apocalyptic number.

20111234241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20111234241 is a deficient number, since it is larger than the sum of its proper divisors (10923231039).

20111234241 is a wasteful number, since it uses less digits than its factorization.

20111234241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20111234241 its reverse (14243211102), we get a palindrome (34354445343).

The spelling of 20111234241 in words is "twenty billion, one hundred eleven million, two hundred thirty-four thousand, two hundred forty-one".