1100421140231 has 16 divisors (see below), whose sum is σ = 1258511364864. Its totient is φ = 942552958464.

The previous prime is 1100421140173. The next prime is 1100421140239. The reversal of 1100421140231 is 1320411240011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100421140231 is a prime.

It is a super-2 number, since 2×1100421140231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100421140239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91795220 + ... + 91807206.

It is an arithmetic number, because the mean of its divisors is an integer number (78656960304).

Almost surely, 2^{1100421140231} is an apocalyptic number.

1100421140231 is a deficient number, since it is larger than the sum of its proper divisors (158090224633).

1100421140231 is a wasteful number, since it uses less digits than its factorization.

1100421140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20150.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1100421140231 its reverse (1320411240011), we get a palindrome (2420832380242).

The spelling of 1100421140231 in words is "one trillion, one hundred billion, four hundred twenty-one million, one hundred forty thousand, two hundred thirty-one".