1101231022 has 4 divisors (see below), whose sum is σ = 1651846536. Its totient is φ = 550615510.

The previous prime is 1101231017. The next prime is 1101231023. The reversal of 1101231022 is 2201321011.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1101230993 and 1101231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101231023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275307754 + ... + 275307757.

It is an arithmetic number, because the mean of its divisors is an integer number (412961634).

Almost surely, 2^1101231022 is an apocalyptic number.

1101231022 is a deficient number, since it is larger than the sum of its proper divisors (550615514).

1101231022 is an equidigital number, since it uses as much as digits as its factorization.

1101231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550615513.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1101231022 is about 33184.8010691642. The cubic root of 1101231022 is about 1032.6650505432.

Adding to 1101231022 its reverse (2201321011), we get a palindrome (3302552033).

The spelling of 1101231022 in words is "one billion, one hundred one million, two hundred thirty-one thousand, twenty-two".