201012020101211 has 4 divisors (see below), whose sum is σ = 219285840110424. Its totient is φ = 182738200092000.

The previous prime is 201012020101187. The next prime is 201012020101219. The reversal of 201012020101211 is 112101020210102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201012020101211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201012020101219) 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, 9136910004590 + ... + 9136910004611.

It is an arithmetic number, because the mean of its divisors is an integer number (54821460027606).

Almost surely, 2^{201012020101211} is an apocalyptic number.

201012020101211 is a deficient number, since it is larger than the sum of its proper divisors (18273820009213).

201012020101211 is a wasteful number, since it uses less digits than its factorization.

201012020101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18273820009212.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201012020101211 its reverse (112101020210102), we get a palindrome (313113040311313).

The spelling of 201012020101211 in words is "two hundred one trillion, twelve billion, twenty million, one hundred one thousand, two hundred eleven".