2220121012011 has 32 divisors (see below), whose sum is σ = 3414929971200. Its totient is φ = 1256688224640.

The previous prime is 2220121012007. The next prime is 2220121012013. The reversal of 2220121012011 is 1102101210222.

It is not a de Polignac number, because 2220121012011 - 2² = 2220121012007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220121012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9217941 + ... + 9455721.

It is an arithmetic number, because the mean of its divisors is an integer number (106716561600).

Almost surely, 2^{2220121012011} is an apocalyptic number.

2220121012011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2220121012011 is a deficient number, since it is larger than the sum of its proper divisors (1194808959189).

2220121012011 is a wasteful number, since it uses less digits than its factorization.

2220121012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241979.

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

Adding to 2220121012011 its reverse (1102101210222), we get a palindrome (3322222222233).

The spelling of 2220121012011 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, twelve thousand, eleven".