1101122102021 has 4 divisors (see below), whose sum is σ = 1101686492544. Its totient is φ = 1100557711500.

The previous prime is 1101122101993. The next prime is 1101122102027. The reversal of 1101122102021 is 1202012211011.

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 1101122102021 - 2³⁰ = 1100048360197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101122101987 and 1101122102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101122102027) 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, 282192335 + ... + 282196236.

It is an arithmetic number, because the mean of its divisors is an integer number (275421623136).

Almost surely, 2^{1101122102021} is an apocalyptic number.

It is an amenable number.

1101122102021 is a deficient number, since it is larger than the sum of its proper divisors (564390523).

1101122102021 is an equidigital number, since it uses as much as digits as its factorization.

1101122102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564390522.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1101122102021 its reverse (1202012211011), we get a palindrome (2303134313032).

The spelling of 1101122102021 in words is "one trillion, one hundred one billion, one hundred twenty-two million, one hundred two thousand, twenty-one".