202001201311 has 16 divisors (see below), whose sum is σ = 248641766464. Its totient is φ = 159809117184.

The previous prime is 202001201263. The next prime is 202001201317. The reversal of 202001201311 is 113102100202.

It is a cyclic number.

It is not a de Polignac number, because 202001201311 - 2²¹ = 201999104159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 202001201291 and 202001201300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001201317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847471 + ... + 1059343.

It is an arithmetic number, because the mean of its divisors is an integer number (15540110404).

Almost surely, 2^202001201311 is an apocalyptic number.

202001201311 is a deficient number, since it is larger than the sum of its proper divisors (46640565153).

202001201311 is a wasteful number, since it uses less digits than its factorization.

202001201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222370.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 202001201311 its reverse (113102100202), we get a palindrome (315103301513).

The spelling of 202001201311 in words is "two hundred two billion, one million, two hundred one thousand, three hundred eleven".