2212222121011 has 8 divisors (see below), whose sum is σ = 2528294077440. Its totient is φ = 1896160220808.

The previous prime is 2212222120987. The next prime is 2212222121029. The reversal of 2212222121011 is 1101212222122.

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

It is not a de Polignac number, because 2212222121011 - 2²⁵ = 2212188566579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212222121011.

It is not an unprimeable number, because it can be changed into a prime (2212222151011) 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, 2036611 + ... + 2927836.

It is an arithmetic number, because the mean of its divisors is an integer number (316036759680).

Almost surely, 2^{2212222121011} is an apocalyptic number.

2212222121011 is a deficient number, since it is larger than the sum of its proper divisors (316071956429).

2212222121011 is an equidigital number, since it uses as much as digits as its factorization.

2212222121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028113.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2212222121011 its reverse (1101212222122), we get a palindrome (3313434343133).

The spelling of 2212222121011 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, eleven".