101220012011 has 8 divisors (see below), whose sum is σ = 103842817680. Its totient is φ = 98630618112.

The previous prime is 101220011993. The next prime is 101220012013. The reversal of 101220012011 is 110210022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101220012011 - 2²² = 101215817707 is a prime.

It is a super-3 number, since 3×101220012011³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101220011983 and 101220012001.

It is not an unprimeable number, because it can be changed into a prime (101220012013) 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 7 ways as a sum of consecutive naturals, for example, 8346806 + ... + 8358923.

It is an arithmetic number, because the mean of its divisors is an integer number (12980352210).

Almost surely, 2^101220012011 is an apocalyptic number.

101220012011 is a deficient number, since it is larger than the sum of its proper divisors (2622805669).

101220012011 is an equidigital number, since it uses as much as digits as its factorization.

101220012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16705885.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101220012011 its reverse (110210022101), we get a palindrome (211430034112).

The spelling of 101220012011 in words is "one hundred one billion, two hundred twenty million, twelve thousand, eleven".