102121122010 has 32 divisors (see below), whose sum is σ = 188682151680. Its totient is φ = 39776356032.

The previous prime is 102121122007. The next prime is 102121122011. The reversal of 102121122010 is 10221121201.

It is not an unprimeable number, because it can be changed into a prime (102121122011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458880 + ... + 644059.

It is an arithmetic number, because the mean of its divisors is an integer number (5896317240).

Almost surely, 2^102121122010 is an apocalyptic number.

102121122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121122010 is a deficient number, since it is larger than the sum of its proper divisors (86561029670).

102121122010 is a wasteful number, since it uses less digits than its factorization.

102121122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103190.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102121122010 its reverse (10221121201), we get a palindrome (112342243211).

The spelling of 102121122010 in words is "one hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, ten".