220011210101 has 4 divisors (see below), whose sum is σ = 229576914912. Its totient is φ = 210445505292.

The previous prime is 220011210061. The next prime is 220011210131. The reversal of 220011210101 is 101012110022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220011210101 - 2¹⁸ = 220010947957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011210131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4782852371 + ... + 4782852416.

It is an arithmetic number, because the mean of its divisors is an integer number (57394228728).

Almost surely, 2^220011210101 is an apocalyptic number.

It is an amenable number.

220011210101 is a deficient number, since it is larger than the sum of its proper divisors (9565704811).

220011210101 is an equidigital number, since it uses as much as digits as its factorization.

220011210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565704810.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220011210101 its reverse (101012110022), we get a palindrome (321023320123).

The spelling of 220011210101 in words is "two hundred twenty billion, eleven million, two hundred ten thousand, one hundred one".