101122222011 has 4 divisors (see below), whose sum is σ = 134829629352. Its totient is φ = 67414814672.

The previous prime is 101122221989. The next prime is 101122222021. The reversal of 101122222011 is 110222221101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101122222011 - 2⁷ = 101122221883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101122222021) 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 in 3 ways as a sum of consecutive naturals, for example, 16853703666 + ... + 16853703671.

It is an arithmetic number, because the mean of its divisors is an integer number (33707407338).

Almost surely, 2^101122222011 is an apocalyptic number.

101122222011 is a deficient number, since it is larger than the sum of its proper divisors (33707407341).

101122222011 is an equidigital number, since it uses as much as digits as its factorization.

101122222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33707407340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101122222011 its reverse (110222221101), we get a palindrome (211344443112).

The spelling of 101122222011 in words is "one hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, eleven".