202002002121011 has 4 divisors (see below), whose sum is σ = 202157030519952. Its totient is φ = 201846973722072.

The previous prime is 202002002121001. The next prime is 202002002121061. The reversal of 202002002121011 is 110121200200202.

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

It is a cyclic number.

It is not a de Polignac number, because 202002002121011 - 2⁴⁶ = 131633257943347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202002002121001) 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, 77514197516 + ... + 77514200121.

It is an arithmetic number, because the mean of its divisors is an integer number (50539257629988).

Almost surely, 2^{202002002121011} is an apocalyptic number.

202002002121011 is a deficient number, since it is larger than the sum of its proper divisors (155028398941).

202002002121011 is a wasteful number, since it uses less digits than its factorization.

202002002121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155028398940.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202002002121011 its reverse (110121200200202), we get a palindrome (312123202321213).

The spelling of 202002002121011 in words is "two hundred two trillion, two billion, two million, one hundred twenty-one thousand, eleven".