220111210101 has 16 divisors (see below), whose sum is σ = 296530686144. Its totient is φ = 145216510464.

The previous prime is 220111210061. The next prime is 220111210147. The reversal of 220111210101 is 101012111022.

It is not a de Polignac number, because 220111210101 - 2¹³ = 220111201909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111210171) 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, 5239486 + ... + 5281328.

It is an arithmetic number, because the mean of its divisors is an integer number (18533167884).

Almost surely, 2^220111210101 is an apocalyptic number.

It is an amenable number.

220111210101 is a deficient number, since it is larger than the sum of its proper divisors (76419476043).

220111210101 is a wasteful number, since it uses less digits than its factorization.

220111210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60020.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220111210101 its reverse (101012111022), we get a palindrome (321123321123).

The spelling of 220111210101 in words is "two hundred twenty billion, one hundred eleven million, two hundred ten thousand, one hundred one".