102101011010200 has 48 divisors (see below), whose sum is σ = 237405410550000. Its totient is φ = 40836867208320.

The previous prime is 102101011010129. The next prime is 102101011010209. The reversal of 102101011010200 is 2010110101201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101011010209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19791900 + ... + 24411499.

It is an arithmetic number, because the mean of its divisors is an integer number (4945946053125).

Almost surely, 2^{102101011010200} is an apocalyptic number.

102101011010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101011010200 is an abundant number, since it is smaller than the sum of its proper divisors (135304399539800).

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

102101011010200 is a wasteful number, since it uses less digits than its factorization.

102101011010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44214964 (or 44214955 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102101011010200 its reverse (2010110101201), we get a palindrome (104111121111401).

The spelling of 102101011010200 in words is "one hundred two trillion, one hundred one billion, eleven million, ten thousand, two hundred".