102120012012011 has 16 divisors (see below), whose sum is σ = 116806815909888. Its totient is φ = 87457775781600.

The previous prime is 102120012011971. The next prime is 102120012012047. The reversal of 102120012012011 is 110210210021201.

It is not a de Polignac number, because 102120012012011 - 2¹⁰ = 102120012010987 is a prime.

It is a super-3 number, since 3×102120012012011³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120012012071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124649741 + ... + 125466321.

It is an arithmetic number, because the mean of its divisors is an integer number (7300425994368).

Almost surely, 2^{102120012012011} is an apocalyptic number.

102120012012011 is a deficient number, since it is larger than the sum of its proper divisors (14686803897877).

102120012012011 is a wasteful number, since it uses less digits than its factorization.

102120012012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831602.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102120012012011 its reverse (110210210021201), we get a palindrome (212330222033212).

The spelling of 102120012012011 in words is "one hundred two trillion, one hundred twenty billion, twelve million, twelve thousand, eleven".