101220120010111 has 8 divisors (see below), whose sum is σ = 101304591381504. Its totient is φ = 101135650775040.

The previous prime is 101220120010103. The next prime is 101220120010133. The reversal of 101220120010111 is 111010021022101.

It is a happy number.

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 101220120010111 - 2³ = 101220120010103 is a prime.

It is a super-2 number, since 2×101220120010111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101220120010091 and 101220120010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101220120019111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102555906 + ... + 103538176.

It is an arithmetic number, because the mean of its divisors is an integer number (12663073922688).

Almost surely, 2^{101220120010111} is an apocalyptic number.

101220120010111 is a deficient number, since it is larger than the sum of its proper divisors (84471371393).

101220120010111 is an equidigital number, since it uses as much as digits as its factorization.

101220120010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068161.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101220120010111 its reverse (111010021022101), we get a palindrome (212230141032212).

The spelling of 101220120010111 in words is "one hundred one trillion, two hundred twenty billion, one hundred twenty million, ten thousand, one hundred eleven".