102010220221020 has 24 divisors (see below), whose sum is σ = 285628616619024. Its totient is φ = 27202725392256.

The previous prime is 102010220220977. The next prime is 102010220221027. The reversal of 102010220221020 is 20122022010201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010220221027) 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 7 ways as a sum of consecutive naturals, for example, 850085168449 + ... + 850085168568.

It is an arithmetic number, because the mean of its divisors is an integer number (11901192359126).

Almost surely, 2^{102010220221020} is an apocalyptic number.

102010220221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010220221020 is an abundant number, since it is smaller than the sum of its proper divisors (183618396398004).

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

102010220221020 is a wasteful number, since it uses less digits than its factorization.

102010220221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700170337029 (or 1700170337027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102010220221020 its reverse (20122022010201), we get a palindrome (122132242231221).

The spelling of 102010220221020 in words is "one hundred two trillion, ten billion, two hundred twenty million, two hundred twenty-one thousand, twenty".