210220000111001 has 16 divisors (see below), whose sum is σ = 221189670000000. Its totient is φ = 199499459529216.

The previous prime is 210220000110919. The next prime is 210220000111003. The reversal of 210220000111001 is 100111000022012.

It is not a de Polignac number, because 210220000111001 - 2⁴² = 205821953599897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210220000111003) 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, 1219625 + ... + 20540873.

It is an arithmetic number, because the mean of its divisors is an integer number (13824354375000).

Almost surely, 2^{210220000111001} is an apocalyptic number.

It is an amenable number.

210220000111001 is a deficient number, since it is larger than the sum of its proper divisors (10969669888999).

210220000111001 is a wasteful number, since it uses less digits than its factorization.

210220000111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19327696.

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

Adding to 210220000111001 its reverse (100111000022012), we get a palindrome (310331000133013).

The spelling of 210220000111001 in words is "two hundred ten trillion, two hundred twenty billion, one hundred eleven thousand, one".