1101022143 has 16 divisors (see below), whose sum is σ = 1581726720. Its totient is φ = 677221344.

The previous prime is 1101022103. The next prime is 1101022147. The reversal of 1101022143 is 3412201011.

It is not a de Polignac number, because 1101022143 - 2⁶ = 1101022079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101022147) 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, 91978 + ... + 103256.

It is an arithmetic number, because the mean of its divisors is an integer number (98857920).

Almost surely, 2^1101022143 is an apocalyptic number.

1101022143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1101022143 is a deficient number, since it is larger than the sum of its proper divisors (480704577).

1101022143 is a wasteful number, since it uses less digits than its factorization.

1101022143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1101022143 is about 33181.6537110494. The cubic root of 1101022143 is about 1032.5997552273.

Adding to 1101022143 its reverse (3412201011), we get a palindrome (4513223154).

It can be divided in two parts, 11010 and 22143, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 1101022143 in words is "one billion, one hundred one million, twenty-two thousand, one hundred forty-three".