102111111120201 has 32 divisors (see below), whose sum is σ = 140011368013440. Its totient is φ = 66166624742400.

The previous prime is 102111111120197. The next prime is 102111111120229. The reversal of 102111111120201 is 102021111111201.

It is not a de Polignac number, because 102111111120201 - 2² = 102111111120197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102111111130201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111867666 + ... + 112776756.

It is an arithmetic number, because the mean of its divisors is an integer number (4375355250420).

Almost surely, 2^{102111111120201} is an apocalyptic number.

It is an amenable number.

102111111120201 is a deficient number, since it is larger than the sum of its proper divisors (37900256893239).

102111111120201 is a wasteful number, since it uses less digits than its factorization.

102111111120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915737.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 102111111120201 its reverse (102021111111201), we get a palindrome (204132222231402).

The spelling of 102111111120201 in words is "one hundred two trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty thousand, two hundred one".