20133201131211 has 24 divisors (see below), whose sum is σ = 31227601428480. Its totient is φ = 11504466932112.

The previous prime is 20133201131209. The next prime is 20133201131213. The reversal of 20133201131211 is 11213110233102.

It is an interprime number because it is at equal distance from previous prime (20133201131209) and next prime (20133201131213).

It is not a de Polignac number, because 20133201131211 - 2¹ = 20133201131209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20133201131213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6589110 + ... + 9147828.

It is an arithmetic number, because the mean of its divisors is an integer number (1301150059520).

Almost surely, 2^{20133201131211} is an apocalyptic number.

20133201131211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20133201131211 is a deficient number, since it is larger than the sum of its proper divisors (11094400297269).

20133201131211 is a wasteful number, since it uses less digits than its factorization.

20133201131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612263 (or 2612256 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 20133201131211 its reverse (11213110233102), we get a palindrome (31346311364313).

The spelling of 20133201131211 in words is "twenty trillion, one hundred thirty-three billion, two hundred one million, one hundred thirty-one thousand, two hundred eleven".