220111010201121 has 16 divisors (see below), whose sum is σ = 316089428962944. Its totient is φ = 135438960582144.

The previous prime is 220111010201083. The next prime is 220111010201143. The reversal of 220111010201121 is 121102010111022.

It is a happy number.

It is not a de Polignac number, because 220111010201121 - 2¹⁰ = 220111010200097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220111010201121.

It is not an unprimeable number, because it can be changed into a prime (220111010211121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290633061 + ... + 291389426.

It is an arithmetic number, because the mean of its divisors is an integer number (19755589310184).

Almost surely, 2^{220111010201121} is an apocalyptic number.

It is an amenable number.

220111010201121 is a deficient number, since it is larger than the sum of its proper divisors (95978418761823).

220111010201121 is a wasteful number, since it uses less digits than its factorization.

220111010201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582032200.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220111010201121 its reverse (121102010111022), we get a palindrome (341213020312143).

Subtracting from 220111010201121 its reverse (121102010111022), we obtain a palindrome (99009000090099).

The spelling of 220111010201121 in words is "two hundred twenty trillion, one hundred eleven billion, ten million, two hundred one thousand, one hundred twenty-one".