2220122201121 has 48 divisors (see below), whose sum is σ = 3607240972608. Its totient is φ = 1303946640000.

The previous prime is 2220122201069. The next prime is 2220122201137. The reversal of 2220122201121 is 1211022210222.

It is a happy number.

2220122201121 is a `hidden beast` number, since 2 + 220 + 122 + 201 + 121 = 666.

It is not a de Polignac number, because 2220122201121 - 2⁹ = 2220122200609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220122201094 and 2220122201103.

It is not an unprimeable number, because it can be changed into a prime (2220122201821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287946 + ... + 2126771.

It is an arithmetic number, because the mean of its divisors is an integer number (75150853596).

Almost surely, 2^{2220122201121} is an apocalyptic number.

It is an amenable number.

2220122201121 is a deficient number, since it is larger than the sum of its proper divisors (1387118771487).

2220122201121 is a wasteful number, since it uses less digits than its factorization.

2220122201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415022 (or 2415019 counting only the distinct ones).

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

Adding to 2220122201121 its reverse (1211022210222), we get a palindrome (3431144411343).

The spelling of 2220122201121 in words is "two trillion, two hundred twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-one".