10643140220100 has 144 divisors (see below), whose sum is σ = 30874040768256. Its totient is φ = 2830810752000.

The previous prime is 10643140220093. The next prime is 10643140220161. The reversal of 10643140220100 is 102204134601.

It is a super-2 number, since 2×10643140220100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1078218165 + ... + 1078228035.

Almost surely, 2^{10643140220100} is an apocalyptic number.

10643140220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10643140220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15437020384128).

10643140220100 is an abundant number, since it is smaller than the sum of its proper divisors (20230900548156).

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

10643140220100 is a wasteful number, since it uses less digits than its factorization.

10643140220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18846 (or 18839 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 10643140220100 its reverse (102204134601), we get a palindrome (10745344354701).

The spelling of 10643140220100 in words is "ten trillion, six hundred forty-three billion, one hundred forty million, two hundred twenty thousand, one hundred".