102100220111 has 8 divisors (see below), whose sum is σ = 104595230544. Its totient is φ = 99605436480.

The previous prime is 102100220077. The next prime is 102100220137. The reversal of 102100220111 is 111022001201.

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 102100220111 - 2¹⁰ = 102100219087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102100220092 and 102100220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100240111) 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, 1180145 + ... + 1263701.

It is an arithmetic number, because the mean of its divisors is an integer number (13074403818).

Almost surely, 2^102100220111 is an apocalyptic number.

102100220111 is a deficient number, since it is larger than the sum of its proper divisors (2495010433).

102100220111 is an equidigital number, since it uses as much as digits as its factorization.

102100220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113401.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102100220111 its reverse (111022001201), we get a palindrome (213122221312).

The spelling of 102100220111 in words is "one hundred two billion, one hundred million, two hundred twenty thousand, one hundred eleven".