10220111220121 has 8 divisors (see below), whose sum is σ = 11149611231744. Its totient is φ = 9290677707120.

The previous prime is 10220111220119. The next prime is 10220111220157. The reversal of 10220111220121 is 12102211102201.

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 10220111220121 - 2¹ = 10220111220119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220111220095 and 10220111220104.

It is not an unprimeable number, because it can be changed into a prime (10220111220161) 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, 16303030 + ... + 16918303.

It is an arithmetic number, because the mean of its divisors is an integer number (1393701403968).

Almost surely, 2^{10220111220121} is an apocalyptic number.

10220111220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220111220121 is a deficient number, since it is larger than the sum of its proper divisors (929500011623).

10220111220121 is a wasteful number, since it uses less digits than its factorization.

10220111220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33249311.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10220111220121 its reverse (12102211102201), we get a palindrome (22322322322322).

The spelling of 10220111220121 in words is "ten trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty-one".