10102120011111 has 8 divisors (see below), whose sum is σ = 13469530395904. Its totient is φ = 6734728150200.

The previous prime is 10102120011107. The next prime is 10102120011133. The reversal of 10102120011111 is 11111002120101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10102120011111 - 2² = 10102120011107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102120011811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3304165 + ... + 5578686.

It is an arithmetic number, because the mean of its divisors is an integer number (1683691299488).

Almost surely, 2^{10102120011111} is an apocalyptic number.

10102120011111 is a deficient number, since it is larger than the sum of its proper divisors (3367410384793).

10102120011111 is an equidigital number, since it uses as much as digits as its factorization.

10102120011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261941.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10102120011111 its reverse (11111002120101), we get a palindrome (21213122131212).

The spelling of 10102120011111 in words is "ten trillion, one hundred two billion, one hundred twenty million, eleven thousand, one hundred eleven".