2210021101 has 2 divisors, whose sum is σ = 2210021102. Its totient is φ = 2210021100.

The previous prime is 2210021089. The next prime is 2210021159. The reversal of 2210021101 is 1011200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2091232900 + 118788201 = 45730^2 + 10899^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210021101 - 2⁵ = 2210021069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210021161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105010550 + 1105010551.

It is an arithmetic number, because the mean of its divisors is an integer number (1105010551).

Almost surely, 2^2210021101 is an apocalyptic number.

It is an amenable number.

2210021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210021101 is an equidigital number, since it uses as much as digits as its factorization.

2210021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2210021101 is about 47010.8615215675. The cubic root of 2210021101 is about 1302.5632073049.

Adding to 2210021101 its reverse (1011200122), we get a palindrome (3221221223).

It can be divided in two parts, 2210021 and 101, that added together give a palindrome (2210122).

The spelling of 2210021101 in words is "two billion, two hundred ten million, twenty-one thousand, one hundred one".