102100122010 has 32 divisors (see below), whose sum is σ = 194606701632. Its totient is φ = 38434556160.

The previous prime is 102100121947. The next prime is 102100122011. The reversal of 102100122010 is 10221001201.

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

It is not an unprimeable number, because it can be changed into a prime (102100122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4143025 + ... + 4167595.

It is an arithmetic number, because the mean of its divisors is an integer number (6081459426).

Almost surely, 2^102100122010 is an apocalyptic number.

102100122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100122010 is a deficient number, since it is larger than the sum of its proper divisors (92506579622).

102100122010 is a wasteful number, since it uses less digits than its factorization.

102100122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49038.

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

Adding to 102100122010 its reverse (10221001201), we get a palindrome (112321123211).

The spelling of 102100122010 in words is "one hundred two billion, one hundred million, one hundred twenty-two thousand, ten".