20222111201121 has 20 divisors (see below), whose sum is σ = 31250005818900. Its totient is φ = 13016531346336.

The previous prime is 20222111201101. The next prime is 20222111201129. The reversal of 20222111201121 is 12110211122202.

20222111201121 is a `hidden beast` number, since 202 + 221 + 1 + 120 + 1 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16439335157025 + 3782776044096 = 4054545^2 + 1944936^2 .

It is not a de Polignac number, because 20222111201121 - 2²² = 20222107006817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20222111201094 and 20222111201103.

It is not an unprimeable number, because it can be changed into a prime (20222111201129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4304406166 + ... + 4304410863.

It is an arithmetic number, because the mean of its divisors is an integer number (1562500290945).

Almost surely, 2^{20222111201121} is an apocalyptic number.

It is an amenable number.

20222111201121 is a deficient number, since it is larger than the sum of its proper divisors (11027894617779).

20222111201121 is an equidigital number, since it uses as much as digits as its factorization.

20222111201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8608817070 (or 8608817061 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20222111201121 its reverse (12110211122202), we get a palindrome (32332322323323).

The spelling of 20222111201121 in words is "twenty trillion, two hundred twenty-two billion, one hundred eleven million, two hundred one thousand, one hundred twenty-one".