101210201011 has 4 divisors (see below), whose sum is σ = 101431667992. Its totient is φ = 100988734032.

The previous prime is 101210201009. The next prime is 101210201023. The reversal of 101210201011 is 110102012101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110102012101 = 353 ⋅311903717.

It is a cyclic number.

It is not a de Polignac number, because 101210201011 - 2¹ = 101210201009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101210201041) 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 in 3 ways as a sum of consecutive naturals, for example, 110732805 + ... + 110733718.

It is an arithmetic number, because the mean of its divisors is an integer number (25357916998).

Almost surely, 2^101210201011 is an apocalyptic number.

101210201011 is a deficient number, since it is larger than the sum of its proper divisors (221466981).

101210201011 is an equidigital number, since it uses as much as digits as its factorization.

101210201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221466980.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101210201011 its reverse (110102012101), we get a palindrome (211312213112).

The spelling of 101210201011 in words is "one hundred one billion, two hundred ten million, two hundred one thousand, eleven".