202012121101211 has 8 divisors (see below), whose sum is σ = 202388890539264. Its totient is φ = 201635432024040.

The previous prime is 202012121101201. The next prime is 202012121101237. The reversal of 202012121101211 is 112101121210202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202012121101211 - 2³⁴ = 201994941232027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202012121101211.

It is not an unprimeable number, because it can be changed into a prime (202012121101201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15056735 + ... + 25114328.

It is an arithmetic number, because the mean of its divisors is an integer number (25298611317408).

Almost surely, 2^{202012121101211} is an apocalyptic number.

202012121101211 is a deficient number, since it is larger than the sum of its proper divisors (376769438053).

202012121101211 is an equidigital number, since it uses as much as digits as its factorization.

202012121101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40180441.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 202012121101211 its reverse (112101121210202), we get a palindrome (314113242311413).

The spelling of 202012121101211 in words is "two hundred two trillion, twelve billion, one hundred twenty-one million, one hundred one thousand, two hundred eleven".