201121001010213 has 16 divisors (see below), whose sum is σ = 268207715359680. Its totient is φ = 134057478207744.

The previous prime is 201121001010169. The next prime is 201121001010227. The reversal of 201121001010213 is 312010100121102.

201121001010213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201121001010213 - 2¹³ = 201121001002021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201121001010192 and 201121001010201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121001018213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779805843 + ... + 780063711.

It is an arithmetic number, because the mean of its divisors is an integer number (16762982209980).

Almost surely, 2^{201121001010213} is an apocalyptic number.

It is an amenable number.

201121001010213 is a deficient number, since it is larger than the sum of its proper divisors (67086714349467).

201121001010213 is a wasteful number, since it uses less digits than its factorization.

201121001010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301828.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 201121001010213 its reverse (312010100121102), we get a palindrome (513131101131315).

The spelling of 201121001010213 in words is "two hundred one trillion, one hundred twenty-one billion, one million, ten thousand, two hundred thirteen".