2211020021211 has 8 divisors (see below), whose sum is σ = 2948046420480. Its totient is φ = 1474003484712.

The previous prime is 2211020021129. The next prime is 2211020021269. The reversal of 2211020021211 is 1121200201122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2211020021211 - 2¹⁴ = 2211020004827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211020021291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925715 + ... + 2851388.

It is an arithmetic number, because the mean of its divisors is an integer number (368505802560).

Almost surely, 2^{2211020021211} is an apocalyptic number.

2211020021211 is a deficient number, since it is larger than the sum of its proper divisors (737026399269).

2211020021211 is a wasteful number, since it uses less digits than its factorization.

2211020021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931385.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211020021211 its reverse (1121200201122), we get a palindrome (3332220222333).

The spelling of 2211020021211 in words is "two trillion, two hundred eleven billion, twenty million, twenty-one thousand, two hundred eleven".