102012122011 has 8 divisors (see below), whose sum is σ = 102168437904. Its totient is φ = 101855900160.

The previous prime is 102012121999. The next prime is 102012122041. The reversal of 102012122011 is 110221210201.

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 102012122011 - 2²¹ = 102010024859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102012121982 and 102012122000.

It is not an unprimeable number, because it can be changed into a prime (102012122041) 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, 2324391 + ... + 2367871.

It is an arithmetic number, because the mean of its divisors is an integer number (12771054738).

Almost surely, 2^102012122011 is an apocalyptic number.

102012122011 is a deficient number, since it is larger than the sum of its proper divisors (156315893).

102012122011 is an equidigital number, since it uses as much as digits as its factorization.

102012122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47021.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102012122011 its reverse (110221210201), we get a palindrome (212233332212).

The spelling of 102012122011 in words is "one hundred two billion, twelve million, one hundred twenty-two thousand, eleven".