1102011320021 has 4 divisors (see below), whose sum is σ = 1102027171872. Its totient is φ = 1101995468172.

The previous prime is 1102011320009. The next prime is 1102011320023. The reversal of 1102011320021 is 1200231102011.

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 a cyclic number.

It is not a de Polignac number, because 1102011320021 - 2³⁸ = 827133413077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102011319978 and 1102011320005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102011320023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7821185 + ... + 7960838.

It is an arithmetic number, because the mean of its divisors is an integer number (275506792968).

Almost surely, 2^{1102011320021} is an apocalyptic number.

It is an amenable number.

1102011320021 is a deficient number, since it is larger than the sum of its proper divisors (15851851).

1102011320021 is an equidigital number, since it uses as much as digits as its factorization.

1102011320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15851850.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1102011320021 its reverse (1200231102011), we get a palindrome (2302242422032).

The spelling of 1102011320021 in words is "one trillion, one hundred two billion, eleven million, three hundred twenty thousand, twenty-one".