2220212122011 has 64 divisors (see below), whose sum is σ = 3666025050240. Its totient is φ = 1319217684480.

The previous prime is 2220212121983. The next prime is 2220212122019. The reversal of 2220212122011 is 1102212120222.

It is a happy number.

2220212122011 is a `hidden beast` number, since 2 + 220 + 212 + 1 + 220 + 11 = 666.

It is not a de Polignac number, because 2220212122011 - 2⁹ = 2220212121499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220212122019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 600681 + ... + 2191173.

It is an arithmetic number, because the mean of its divisors is an integer number (57281641410).

Almost surely, 2^{2220212122011} is an apocalyptic number.

2220212122011 is a deficient number, since it is larger than the sum of its proper divisors (1445812928229).

2220212122011 is a wasteful number, since it uses less digits than its factorization.

2220212122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590653 (or 1590647 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2220212122011 its reverse (1102212120222), we get a palindrome (3322424242233).

The spelling of 2220212122011 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, eleven".