102011020112011 has 4 divisors (see below), whose sum is σ = 108011668353912. Its totient is φ = 96010371870112.

The previous prime is 102011020111991. The next prime is 102011020112039. The reversal of 102011020112011 is 110211020110201.

It is a happy number.

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

It is not a de Polignac number, because 102011020112011 - 2²³ = 102011011723403 is a prime.

It is a super-2 number, since 2×102011020112011² (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 = 102011020111982 and 102011020112000.

It is not an unprimeable number, because it can be changed into a prime (102011020112311) 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, 3000324120925 + ... + 3000324120958.

It is an arithmetic number, because the mean of its divisors is an integer number (27002917088478).

Almost surely, 2^{102011020112011} is an apocalyptic number.

102011020112011 is a deficient number, since it is larger than the sum of its proper divisors (6000648241901).

102011020112011 is an equidigital number, since it uses as much as digits as its factorization.

102011020112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000648241900.

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

Adding to 102011020112011 its reverse (110211020110201), we get a palindrome (212222040222212).

The spelling of 102011020112011 in words is "one hundred two trillion, eleven billion, twenty million, one hundred twelve thousand, eleven".