2111444143100 has 36 divisors (see below), whose sum is σ = 4626317636304. Its totient is φ = 836377870080.

The previous prime is 2111444143091. The next prime is 2111444143103. The reversal of 2111444143100 is 13414441112.

It is a happy number.

It is a super-2 number, since 2×2111444143100² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2111444143100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111444143103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102486989 + ... + 102507588.

Almost surely, 2^{2111444143100} is an apocalyptic number.

2111444143100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111444143100 is an abundant number, since it is smaller than the sum of its proper divisors (2514873493204).

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

2111444143100 is a wasteful number, since it uses less digits than its factorization.

2111444143100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204994694 (or 204994687 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 2111444143100 its reverse (13414441112), we get a palindrome (2124858584212).

The spelling of 2111444143100 in words is "two trillion, one hundred eleven billion, four hundred forty-four million, one hundred forty-three thousand, one hundred".