1220100110211 has 64 divisors (see below), whose sum is σ = 1708876339200.
Its totient is φ = 773696448000.
The previous prime is 1220100110191. The next prime is 1220100110213. The reversal of 1220100110211 is 1120110010221.
Adding to 1220100110211 its reverse (1120110010221), we get a palindrome (2340210120432).
It is not a de Polignac number, because 1220100110211 - 214 = 1220100093827 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1220100110213) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 537724785 + ... + 537727053.
It is an arithmetic number, because the mean of its divisors is an integer number (26701192800).
Almost surely, 21220100110211 is an apocalyptic number.
1220100110211 is a deficient number, since it is larger than the sum of its proper divisors (488776228989).
1220100110211 is a wasteful number, since it uses less digits than its factorization.
1220100110211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3100.
The product of its (nonzero) digits is 8, while the sum is 12.
The spelling of 1220100110211 in words is "one trillion, two hundred twenty billion, one hundred million, one hundred ten thousand, two hundred eleven".