2211220211001 has 8 divisors (see below), whose sum is σ = 2954448718080. Its totient is φ = 1471069255632.

The previous prime is 2211220210967. The next prime is 2211220211003. The reversal of 2211220211001 is 1001120221122.

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

It is not a de Polignac number, because 2211220211001 - 2²² = 2211216016697 is a prime.

It is a super-2 number, since 2×2211220211001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211220211003) 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, 769386250 + ... + 769389123.

It is an arithmetic number, because the mean of its divisors is an integer number (369306089760).

Almost surely, 2^{2211220211001} is an apocalyptic number.

It is an amenable number.

2211220211001 is a deficient number, since it is larger than the sum of its proper divisors (743228507079).

2211220211001 is a wasteful number, since it uses less digits than its factorization.

2211220211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538775855.

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

Adding to 2211220211001 its reverse (1001120221122), we get a palindrome (3212340432123).

The spelling of 2211220211001 in words is "two trillion, two hundred eleven billion, two hundred twenty million, two hundred eleven thousand, one".