102021220210000 has 200 divisors, whose sum is σ = 304004404250624. Its totient is φ = 32288034240000.

The previous prime is 102021220209977. The next prime is 102021220210001. The reversal of 102021220210000 is 12022120201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021220210001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55145616 + ... + 56965615.

Almost surely, 2^{102021220210000} is an apocalyptic number.

102021220210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102021220210000 is an abundant number, since it is smaller than the sum of its proper divisors (201983184040624).

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

102021220210000 is a wasteful number, since it uses less digits than its factorization.

102021220210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112111279 (or 112111258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102021220210000 its reverse (12022120201), we get a palindrome (102033242330201).

The spelling of 102021220210000 in words is "one hundred two trillion, twenty-one billion, two hundred twenty million, two hundred ten thousand".