202021012002011 has 4 divisors (see below), whose sum is σ = 210804534262992. Its totient is φ = 193237489741032.

The previous prime is 202021012001993. The next prime is 202021012002023. The reversal of 202021012002011 is 110200210120202.

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-202021012002011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202021012002071) 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, 4391761130456 + ... + 4391761130501.

It is an arithmetic number, because the mean of its divisors is an integer number (52701133565748).

Almost surely, 2^{202021012002011} is an apocalyptic number.

202021012002011 is a deficient number, since it is larger than the sum of its proper divisors (8783522260981).

202021012002011 is an equidigital number, since it uses as much as digits as its factorization.

202021012002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783522260980.

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

Adding to 202021012002011 its reverse (110200210120202), we get a palindrome (312221222122213).

The spelling of 202021012002011 in words is "two hundred two trillion, twenty-one billion, twelve million, two thousand, eleven".