1101102201021 has 4 divisors (see below), whose sum is σ = 1468136268032. Its totient is φ = 734068134012.

The previous prime is 1101102200959. The next prime is 1101102201029. The reversal of 1101102201021 is 1201022011011.

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 1101102201021 - 2¹⁹ = 1101101676733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101102200988 and 1101102201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101102201029) 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, 183517033501 + ... + 183517033506.

It is an arithmetic number, because the mean of its divisors is an integer number (367034067008).

Almost surely, 2^{1101102201021} is an apocalyptic number.

It is an amenable number.

1101102201021 is a deficient number, since it is larger than the sum of its proper divisors (367034067011).

1101102201021 is an equidigital number, since it uses as much as digits as its factorization.

1101102201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367034067010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101102201021 its reverse (1201022011011), we get a palindrome (2302124212032).

The spelling of 1101102201021 in words is "one trillion, one hundred one billion, one hundred two million, two hundred one thousand, twenty-one".