202002012111001 has 4 divisors (see below), whose sum is σ = 202011935106852. Its totient is φ = 201992089115152.

The previous prime is 202002012110989. The next prime is 202002012111013. The reversal of 202002012111001 is 100111210200202.

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

It is an interprime number because it is at equal distance from previous prime (202002012110989) and next prime (202002012111013).

It can be written as a sum of positive squares in 2 ways, for example, as 155732903531401 + 46269108579600 = 12479299^2 + 6802140^2 .

It is a cyclic number.

It is not a de Polignac number, because 202002012111001 - 2¹⁵ = 202002012078233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202002012111041) 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, 4961467390 + ... + 4961508103.

It is an arithmetic number, because the mean of its divisors is an integer number (50502983776713).

Almost surely, 2^{202002012111001} is an apocalyptic number.

It is an amenable number.

202002012111001 is a deficient number, since it is larger than the sum of its proper divisors (9922995851).

202002012111001 is an equidigital number, since it uses as much as digits as its factorization.

202002012111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922995850.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202002012111001 its reverse (100111210200202), we get a palindrome (302113222311203).

The spelling of 202002012111001 in words is "two hundred two trillion, two billion, twelve million, one hundred eleven thousand, one".