102011222221000 has 64 divisors (see below), whose sum is σ = 239776692180480. Its totient is φ = 40621509028800.

The previous prime is 102011222220959. The next prime is 102011222221001. The reversal of 102011222221000 is 122222110201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102011222221001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 228501714 + ... + 228947713.

It is an arithmetic number, because the mean of its divisors is an integer number (3746510815320).

Almost surely, 2^{102011222221000} is an apocalyptic number.

102011222221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011222221000 is an abundant number, since it is smaller than the sum of its proper divisors (137765469959480).

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

102011222221000 is a wasteful number, since it uses less digits than its factorization.

102011222221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457449671 (or 457449657 counting only the distinct ones).

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

Adding to 102011222221000 its reverse (122222110201), we get a palindrome (102133444331201).

The spelling of 102011222221000 in words is "one hundred two trillion, eleven billion, two hundred twenty-two million, two hundred twenty-one thousand".