101210222011 has 4 divisors (see below), whose sum is σ = 101210937912. Its totient is φ = 101209506112.

The previous prime is 101210221993. The next prime is 101210222027. The reversal of 101210222011 is 110222012101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 101210222011 - 2¹⁷ = 101210090939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210221982 and 101210222000.

It is not an unprimeable number, because it can be changed into a prime (101210220011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67126 + ... + 454891.

It is an arithmetic number, because the mean of its divisors is an integer number (25302734478).

Almost surely, 2^101210222011 is an apocalyptic number.

101210222011 is a deficient number, since it is larger than the sum of its proper divisors (715901).

101210222011 is an equidigital number, since it uses as much as digits as its factorization.

101210222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715900.

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

Adding to 101210222011 its reverse (110222012101), we get a palindrome (211432234112).

The spelling of 101210222011 in words is "one hundred one billion, two hundred ten million, two hundred twenty-two thousand, eleven".