102111222220000 has 120 divisors (see below), whose sum is σ = 287095912787376. Its totient is φ = 35009561856000.

The previous prime is 102111222219953. The next prime is 102111222220019. The reversal of 102111222220000 is 22222111201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 364542937 + ... + 364822936.

Almost surely, 2^{102111222220000} is an apocalyptic number.

102111222220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111222220000 is an abundant number, since it is smaller than the sum of its proper divisors (184984690567376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111222220000 is an frugal number, since it uses more digits than its factorization.

102111222220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729365910 (or 729365887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102111222220000 its reverse (22222111201), we get a palindrome (102133444331201).

The spelling of 102111222220000 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty thousand".