2202100012021 has 16 divisors (see below), whose sum is σ = 2711733501568. Its totient is φ = 1741384526400.

The previous prime is 2202100011977. The next prime is 2202100012087. The reversal of 2202100012021 is 1202100012022.

It is a happy number.

2202100012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2202100012021 - 2¹⁵ = 2202099979253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2202100011992 and 2202100012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202100016021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6332235 + ... + 6670936.

It is an arithmetic number, because the mean of its divisors is an integer number (169483343848).

Almost surely, 2^{2202100012021} is an apocalyptic number.

It is an amenable number.

2202100012021 is a deficient number, since it is larger than the sum of its proper divisors (509633489547).

2202100012021 is a wasteful number, since it uses less digits than its factorization.

2202100012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005052.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2202100012021 its reverse (1202100012022), we get a palindrome (3404200024043).

Subtracting from 2202100012021 its reverse (1202100012022), we obtain a palindrome (999999999999).

It can be divided in two parts, 220210001 and 2021, that added together give a palindrome (220212022).

The spelling of 2202100012021 in words is "two trillion, two hundred two billion, one hundred million, twelve thousand, twenty-one".