2021010100102 has 8 divisors (see below), whose sum is σ = 3464588743056. Its totient is φ = 866147185752.

The previous prime is 2021010100099. The next prime is 2021010100133. The reversal of 2021010100102 is 2010010101202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72178932133 + ... + 72178932160.

It is an arithmetic number, because the mean of its divisors is an integer number (433073592882).

Almost surely, 2^{2021010100102} is an apocalyptic number.

2021010100102 is a deficient number, since it is larger than the sum of its proper divisors (1443578642954).

2021010100102 is a wasteful number, since it uses less digits than its factorization.

2021010100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144357864302.

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

Adding to 2021010100102 its reverse (2010010101202), we get a palindrome (4031020201304).

The spelling of 2021010100102 in words is "two trillion, twenty-one billion, ten million, one hundred thousand, one hundred two".