221011210102000 has 40 divisors (see below), whose sum is σ = 534405106031472. Its totient is φ = 88404484040000.

The previous prime is 221011210101923. The next prime is 221011210102013. The reversal of 221011210102000 is 201012110122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55252800526 + ... + 55252804525.

Almost surely, 2^{221011210102000} is an apocalyptic number.

221011210102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221011210102000 is an abundant number, since it is smaller than the sum of its proper divisors (313393895929472).

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

221011210102000 is a wasteful number, since it uses less digits than its factorization.

221011210102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110505605074 (or 110505605058 counting only the distinct ones).

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

Adding to 221011210102000 its reverse (201012110122), we get a palindrome (221212222212122).

The spelling of 221011210102000 in words is "two hundred twenty-one trillion, eleven billion, two hundred ten million, one hundred two thousand".