102012111022 has 8 divisors (see below), whose sum is σ = 153027845856. Its totient is φ = 51002829072.

The previous prime is 102012110999. The next prime is 102012111023. The reversal of 102012111022 is 220111210201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102012110993 and 102012111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012111023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573503 + ... + 1637050.

It is an arithmetic number, because the mean of its divisors is an integer number (19128480732).

Almost surely, 2^102012111022 is an apocalyptic number.

102012111022 is a deficient number, since it is larger than the sum of its proper divisors (51015734834).

102012111022 is a wasteful number, since it uses less digits than its factorization.

102012111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226442.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102012111022 its reverse (220111210201), we get a palindrome (322123321223).

The spelling of 102012111022 in words is "one hundred two billion, twelve million, one hundred eleven thousand, twenty-two".