220021120111101 has 16 divisors (see below), whose sum is σ = 293950989696000. Its totient is φ = 146386001830320.

The previous prime is 220021120111081. The next prime is 220021120111103. The reversal of 220021120111101 is 101111021120022.

It is a happy number.

220021120111101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220021120111101 - 2²⁹ = 220020583240189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021120111103) 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, 430136386 + ... + 430647596.

It is an arithmetic number, because the mean of its divisors is an integer number (18371936856000).

Almost surely, 2^{220021120111101} is an apocalyptic number.

It is an amenable number.

220021120111101 is a deficient number, since it is larger than the sum of its proper divisors (73929869584899).

220021120111101 is a wasteful number, since it uses less digits than its factorization.

220021120111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799216.

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

Adding to 220021120111101 its reverse (101111021120022), we get a palindrome (321132141231123).

The spelling of 220021120111101 in words is "two hundred twenty trillion, twenty-one billion, one hundred twenty million, one hundred eleven thousand, one hundred one".