2211200102021 has 8 divisors (see below), whose sum is σ = 2215640478744. Its totient is φ = 2206762122240.

The previous prime is 2211200101997. The next prime is 2211200102071. The reversal of 2211200102021 is 1202010021122.

2211200102021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 299990625796 + 1911209476225 = 547714^2 + 1382465^2 .

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 2211200102021 - 2³⁴ = 2194020232837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211200101987 and 2211200102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211200102071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253375 + ... + 2448131.

It is an arithmetic number, because the mean of its divisors is an integer number (276955059843).

Almost surely, 2^{2211200102021} is an apocalyptic number.

It is an amenable number.

2211200102021 is a deficient number, since it is larger than the sum of its proper divisors (4440376723).

2211200102021 is a wasteful number, since it uses less digits than its factorization.

2211200102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198471.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2211200102021 its reverse (1202010021122), we get a palindrome (3413210123143).

The spelling of 2211200102021 in words is "two trillion, two hundred eleven billion, two hundred million, one hundred two thousand, twenty-one".