102022021210 has 32 divisors (see below), whose sum is σ = 186000364800. Its totient is φ = 40284404160.

The previous prime is 102022021181. The next prime is 102022021217. The reversal of 102022021210 is 12120220201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102022021217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5687736 + ... + 5705644.

It is an arithmetic number, because the mean of its divisors is an integer number (5812511400).

Almost surely, 2^102022021210 is an apocalyptic number.

102022021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102022021210 is a deficient number, since it is larger than the sum of its proper divisors (83978343590).

102022021210 is a wasteful number, since it uses less digits than its factorization.

102022021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25206.

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

Adding to 102022021210 its reverse (12120220201), we get a palindrome (114142241411).

The spelling of 102022021210 in words is "one hundred two billion, twenty-two million, twenty-one thousand, two hundred ten".