102201100100010 has 64 divisors (see below), whose sum is σ = 274365369504000. Its totient is φ = 27070716436416.

The previous prime is 102201100100009. The next prime is 102201100100123. The reversal of 102201100100010 is 10001001102201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 102201100099965 and 102201100100001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1270169814 + ... + 1270250273.

It is an arithmetic number, because the mean of its divisors is an integer number (4286958898500).

Almost surely, 2^{102201100100010} is an apocalyptic number.

102201100100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201100100010 is an abundant number, since it is smaller than the sum of its proper divisors (172164269403990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102201100100010 is a wasteful number, since it uses less digits than its factorization.

102201100100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540420252 (or 2540420246 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102201100100010 its reverse (10001001102201), we get a palindrome (112202101202211).

The spelling of 102201100100010 in words is "one hundred two trillion, two hundred one billion, one hundred million, one hundred thousand, ten".