102110101122011 has 4 divisors (see below), whose sum is σ = 102110344838832. Its totient is φ = 102109857405192.

The previous prime is 102110101121983. The next prime is 102110101122017. The reversal of 102110101122011 is 110221101011201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102110101122011 is a prime.

It is a super-2 number, since 2×102110101122011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102110101122017) 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, 121228871 + ... + 122068256.

It is an arithmetic number, because the mean of its divisors is an integer number (25527586209708).

Almost surely, 2^{102110101122011} is an apocalyptic number.

102110101122011 is a deficient number, since it is larger than the sum of its proper divisors (243716821).

102110101122011 is an equidigital number, since it uses as much as digits as its factorization.

102110101122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243716820.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 102110101122011 its reverse (110221101011201), we get a palindrome (212331202133212).

The spelling of 102110101122011 in words is "one hundred two trillion, one hundred ten billion, one hundred one million, one hundred twenty-two thousand, eleven".