1101131003021 has 4 divisors (see below), whose sum is σ = 1258435432032. Its totient is φ = 943826574012.

The previous prime is 1101131002921. The next prime is 1101131003041. The reversal of 1101131003021 is 1203001311011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1101131003021 - 2³⁰ = 1100057261197 is a prime.

It is a super-2 number, since 2×1101131003021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101131002987 and 1101131003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101131003041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78652214495 + ... + 78652214508.

It is an arithmetic number, because the mean of its divisors is an integer number (314608858008).

Almost surely, 2^{1101131003021} is an apocalyptic number.

It is an amenable number.

1101131003021 is a deficient number, since it is larger than the sum of its proper divisors (157304429011).

1101131003021 is an equidigital number, since it uses as much as digits as its factorization.

1101131003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157304429010.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1101131003021 its reverse (1203001311011), we get a palindrome (2304132314032).

The spelling of 1101131003021 in words is "one trillion, one hundred one billion, one hundred thirty-one million, three thousand, twenty-one".