102122221210 has 16 divisors (see below), whose sum is σ = 183877338600. Its totient is φ = 40836146176.

The previous prime is 102122221171. The next prime is 102122221213. The reversal of 102122221210 is 12122221201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88752155569 + 13370065641 = 297913^2 + 115629^2 .

It is not an unprimeable number, because it can be changed into a prime (102122221213) 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, 1559095 + ... + 1623274.

Almost surely, 2^102122221210 is an apocalyptic number.

102122221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102122221210 is a deficient number, since it is larger than the sum of its proper divisors (81755117390).

102122221210 is a wasteful number, since it uses less digits than its factorization.

102122221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185585.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102122221210 its reverse (12122221201), we get a palindrome (114244442411).

Subtracting from 102122221210 its reverse (12122221201), we obtain a palindrome (90000000009).

The spelling of 102122221210 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".