100210011002021 has 4 divisors (see below), whose sum is σ = 100274537733132. Its totient is φ = 100145484270912.

The previous prime is 100210011001981. The next prime is 100210011002099. The reversal of 100210011002021 is 120200110012001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6761326065025 + 93448684936996 = 2600255^2 + 9666886^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210011002021 - 2¹⁰ = 100210011000997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100210011001993 and 100210011002011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210011002221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32263363226 + ... + 32263366331.

It is an arithmetic number, because the mean of its divisors is an integer number (25068634433283).

Almost surely, 2^{100210011002021} is an apocalyptic number.

It is an amenable number.

100210011002021 is a deficient number, since it is larger than the sum of its proper divisors (64526731111).

100210011002021 is an equidigital number, since it uses as much as digits as its factorization.

100210011002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64526731110.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100210011002021 its reverse (120200110012001), we get a palindrome (220410121014022).

The spelling of 100210011002021 in words is "one hundred trillion, two hundred ten billion, eleven million, two thousand, twenty-one".