102111001211 has 8 divisors (see below), whose sum is σ = 108147686544. Its totient is φ = 96077666560.

The previous prime is 102111001189. The next prime is 102111001229. The reversal of 102111001211 is 112100111201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102111001211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102111001192 and 102111001201.

It is not an unprimeable number, because it can be changed into a prime (102111001231) 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, 774785 + ... + 896946.

It is an arithmetic number, because the mean of its divisors is an integer number (13518460818).

Almost surely, 2^102111001211 is an apocalyptic number.

102111001211 is a deficient number, since it is larger than the sum of its proper divisors (6036685333).

102111001211 is a wasteful number, since it uses less digits than its factorization.

102111001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675341.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102111001211 its reverse (112100111201), we get a palindrome (214211112412).

The spelling of 102111001211 in words is "one hundred two billion, one hundred eleven million, one thousand, two hundred eleven".