20220211021121 has 8 divisors (see below), whose sum is σ = 21414323180160. Its totient is φ = 19026619748928.

The previous prime is 20220211021103. The next prime is 20220211021151. The reversal of 20220211021121 is 12112011202202.

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

It is a cyclic number.

It is not a de Polignac number, because 20220211021121 - 2⁴² = 15822164510017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220211021121.

It is not an unprimeable number, because it can be changed into a prime (20220211021151) 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, 130141781 + ... + 130297058.

It is an arithmetic number, because the mean of its divisors is an integer number (2676790397520).

Almost surely, 2^{20220211021121} is an apocalyptic number.

It is an amenable number.

20220211021121 is a deficient number, since it is larger than the sum of its proper divisors (1194112159039).

20220211021121 is a wasteful number, since it uses less digits than its factorization.

20220211021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260443423.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20220211021121 its reverse (12112011202202), we get a palindrome (32332222223323).

The spelling of 20220211021121 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, twenty-one thousand, one hundred twenty-one".