102021201010 has 16 divisors (see below), whose sum is σ = 187908817536. Its totient is φ = 39859445808.

The previous prime is 102021200959. The next prime is 102021201047. The reversal of 102021201010 is 10102120201.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 7 ways as a sum of consecutive naturals, for example, 118628874 + ... + 118629733.

It is an arithmetic number, because the mean of its divisors is an integer number (11744301096).

Almost surely, 2^102021201010 is an apocalyptic number.

102021201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021201010 is a deficient number, since it is larger than the sum of its proper divisors (85887616526).

102021201010 is a wasteful number, since it uses less digits than its factorization.

102021201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237258657.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102021201010 its reverse (10102120201), we get a palindrome (112123321211).

It can be divided in two parts, 102021 and 201010, that added together give a triangular number (303031 = T₇₇₈).

The spelling of 102021201010 in words is "one hundred two billion, twenty-one million, two hundred one thousand, ten".