9010010102021 has 4 divisors (see below), whose sum is σ = 9010466255532. Its totient is φ = 9009553948512.

The previous prime is 9010010102011. The next prime is 9010010102081. The reversal of 9010010102021 is 1202010100109.

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 4947310305025 + 4062699796996 = 2224255^2 + 2015614^2 .

It is a cyclic number.

It is not a de Polignac number, because 9010010102021 - 2⁶ = 9010010101957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9010010102011) 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, 228047126 + ... + 228086631.

It is an arithmetic number, because the mean of its divisors is an integer number (2252616563883).

Almost surely, 2^{9010010102021} is an apocalyptic number.

It is an amenable number.

9010010102021 is a deficient number, since it is larger than the sum of its proper divisors (456153511).

9010010102021 is a wasteful number, since it uses less digits than its factorization.

9010010102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456153510.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 9010010102021 in words is "nine trillion, ten billion, ten million, one hundred two thousand, twenty-one".