2102220101101 has 2 divisors, whose sum is σ = 2102220101102. Its totient is φ = 2102220101100.

The previous prime is 2102220101021. The next prime is 2102220101147. The reversal of 2102220101101 is 1011010222012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2083389126025 + 18830975076 = 1443395^2 + 137226^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102220101101 - 2⁷ = 2102220100973 is a prime.

It is a super-2 number, since 2×2102220101101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102220141101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051110050550 + 1051110050551.

It is an arithmetic number, because the mean of its divisors is an integer number (1051110050551).

Almost surely, 2^{2102220101101} is an apocalyptic number.

It is an amenable number.

2102220101101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102220101101 is an equidigital number, since it uses as much as digits as its factorization.

2102220101101 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2102220101101 its reverse (1011010222012), we get a palindrome (3113230323113).

The spelling of 2102220101101 in words is "two trillion, one hundred two billion, two hundred twenty million, one hundred one thousand, one hundred one".