100102001202021 has 256 divisors, whose sum is σ = 174496913031168. Its totient is φ = 49606683033600.

The previous prime is 100102001202019. The next prime is 100102001202097. The reversal of 100102001202021 is 120202100201001.

It is not a de Polignac number, because 100102001202021 - 2¹ = 100102001202019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100102001201988 and 100102001202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102001202421) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 39707258241 + ... + 39707260761.

It is an arithmetic number, because the mean of its divisors is an integer number (681628566528).

Almost surely, 2^{100102001202021} is an apocalyptic number.

It is an amenable number.

100102001202021 is a deficient number, since it is larger than the sum of its proper divisors (74394911829147).

100102001202021 is a wasteful number, since it uses less digits than its factorization.

100102001202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100102001202021 its reverse (120202100201001), we get a palindrome (220304101403022).

The spelling of 100102001202021 in words is "one hundred trillion, one hundred two billion, one million, two hundred two thousand, twenty-one".