2211020110021 has 8 divisors (see below), whose sum is σ = 2248523200800. Its totient is φ = 2173517958480.

The previous prime is 2211020109997. The next prime is 2211020110031. The reversal of 2211020110021 is 1200110201122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2211020110021 - 2⁵ = 2211020109989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211020109983 and 2211020110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211020110031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5830591 + ... + 6198211.

It is an arithmetic number, because the mean of its divisors is an integer number (281065400100).

Almost surely, 2^{2211020110021} is an apocalyptic number.

It is an amenable number.

2211020110021 is a deficient number, since it is larger than the sum of its proper divisors (37503090779).

2211020110021 is a wasteful number, since it uses less digits than its factorization.

2211020110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469619.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2211020110021 its reverse (1200110201122), we get a palindrome (3411130311143).

The spelling of 2211020110021 in words is "two trillion, two hundred eleven billion, twenty million, one hundred ten thousand, twenty-one".