11002210111021 has 4 divisors (see below), whose sum is σ = 11003195012544. Its totient is φ = 11001225209500.

The previous prime is 11002210110989. The next prime is 11002210111033. The reversal of 11002210111021 is 12011101220011.

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 a cyclic number.

It is not a de Polignac number, because 11002210111021 - 2⁵ = 11002210110989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002210110992 and 11002210111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002210111091) 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, 492434005 + ... + 492456346.

It is an arithmetic number, because the mean of its divisors is an integer number (2750798753136).

Almost surely, 2^{11002210111021} is an apocalyptic number.

It is an amenable number.

11002210111021 is a deficient number, since it is larger than the sum of its proper divisors (984901523).

11002210111021 is an equidigital number, since it uses as much as digits as its factorization.

11002210111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984901522.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11002210111021 its reverse (12011101220011), we get a palindrome (23013311331032).

The spelling of 11002210111021 in words is "eleven trillion, two billion, two hundred ten million, one hundred eleven thousand, twenty-one".