2220121100231 has 8 divisors (see below), whose sum is σ = 2221145401440. Its totient is φ = 2219097019392.

The previous prime is 2220121100209. The next prime is 2220121100237. The reversal of 2220121100231 is 1320011210222.

2220121100231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2220121100231 - 2³⁴ = 2202941231047 is a prime.

It is a super-2 number, since 2×2220121100231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220121100237) 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, 22110566 + ... + 22210748.

It is an arithmetic number, because the mean of its divisors is an integer number (277643175180).

Almost surely, 2^{2220121100231} is an apocalyptic number.

2220121100231 is a deficient number, since it is larger than the sum of its proper divisors (1024301209).

2220121100231 is a wasteful number, since it uses less digits than its factorization.

2220121100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110185.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2220121100231 its reverse (1320011210222), we get a palindrome (3540132310453).

The spelling of 2220121100231 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred thousand, two hundred thirty-one".