2211021220133 has 4 divisors (see below), whose sum is σ = 2412023149248. Its totient is φ = 2010019291020.

The previous prime is 2211021220127. The next prime is 2211021220139. The reversal of 2211021220133 is 3310221201122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2211021220127) and next prime (2211021220139).

It is a cyclic number.

It is not a de Polignac number, because 2211021220133 - 2⁴ = 2211021220117 is a prime.

It is a super-2 number, since 2×2211021220133² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211021220139) 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, 100500964541 + ... + 100500964562.

It is an arithmetic number, because the mean of its divisors is an integer number (603005787312).

Almost surely, 2^{2211021220133} is an apocalyptic number.

It is an amenable number.

2211021220133 is a deficient number, since it is larger than the sum of its proper divisors (201001929115).

2211021220133 is a wasteful number, since it uses less digits than its factorization.

2211021220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201001929114.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2211021220133 its reverse (3310221201122), we get a palindrome (5521242421255).

The spelling of 2211021220133 in words is "two trillion, two hundred eleven billion, twenty-one million, two hundred twenty thousand, one hundred thirty-three".