102122001111 has 8 divisors (see below), whose sum is σ = 146636719600. Its totient is φ = 62844308352.

The previous prime is 102122001101. The next prime is 102122001127. The reversal of 102122001111 is 111100221201.

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

It is not a de Polignac number, because 102122001111 - 2⁹ = 102122000599 is a prime.

It is a super-2 number, since 2×102122001111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122001101) 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, 1309256386 + ... + 1309256463.

It is an arithmetic number, because the mean of its divisors is an integer number (18329589950).

Almost surely, 2^102122001111 is an apocalyptic number.

102122001111 is a deficient number, since it is larger than the sum of its proper divisors (44514718489).

102122001111 is a wasteful number, since it uses less digits than its factorization.

102122001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618512865.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102122001111 its reverse (111100221201), we get a palindrome (213222222312).

The spelling of 102122001111 in words is "one hundred two billion, one hundred twenty-two million, one thousand, one hundred eleven".