102101221010011 has 4 divisors (see below), whose sum is σ = 104591494693224. Its totient is φ = 99610947326800.

The previous prime is 102101221009967. The next prime is 102101221010051. The reversal of 102101221010011 is 110010122101201.

It is a happy number.

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 102101221010011 - 2²³ = 102101212621403 is a prime.

It is a super-2 number, since 2×102101221010011² (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 = 102101221009973 and 102101221010000.

It is not an unprimeable number, because it can be changed into a prime (102101221010051) 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, 1245136841545 + ... + 1245136841626.

It is an arithmetic number, because the mean of its divisors is an integer number (26147873673306).

Almost surely, 2^{102101221010011} is an apocalyptic number.

102101221010011 is a deficient number, since it is larger than the sum of its proper divisors (2490273683213).

102101221010011 is an equidigital number, since it uses as much as digits as its factorization.

102101221010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490273683212.

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

Adding to 102101221010011 its reverse (110010122101201), we get a palindrome (212111343111212).

The spelling of 102101221010011 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-one million, ten thousand, eleven".