101001210102100 has 144 divisors (see below), whose sum is σ = 274388022792576. Its totient is φ = 31350269952000.

The previous prime is 101001210102061. The next prime is 101001210102101. The reversal of 101001210102100 is 1201012100101.

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 (101001210102101) 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 47 ways as a sum of consecutive naturals, for example, 25358077 + ... + 29069476.

It is an arithmetic number, because the mean of its divisors is an integer number (1905472380504).

Almost surely, 2^{101001210102100} is an apocalyptic number.

101001210102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101001210102100 is an abundant number, since it is smaller than the sum of its proper divisors (173386812690476).

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

101001210102100 is a wasteful number, since it uses less digits than its factorization.

101001210102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54427826 (or 54427819 counting only the distinct ones).

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

Adding to 101001210102100 its reverse (1201012100101), we get a palindrome (102202222202201).

The spelling of 101001210102100 in words is "one hundred one trillion, one billion, two hundred ten million, one hundred two thousand, one hundred".