2220001021101 has 16 divisors (see below), whose sum is σ = 2963452838400. Its totient is φ = 1478275482288.

The previous prime is 2220001021097. The next prime is 2220001021151. The reversal of 2220001021101 is 1011201000222.

It is not a de Polignac number, because 2220001021101 - 2² = 2220001021097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220001021151) 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, 17235400 + ... + 17363726.

It is an arithmetic number, because the mean of its divisors is an integer number (185215802400).

Almost surely, 2^{2220001021101} is an apocalyptic number.

It is an amenable number.

2220001021101 is a deficient number, since it is larger than the sum of its proper divisors (743451817299).

2220001021101 is a wasteful number, since it uses less digits than its factorization.

2220001021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135008.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2220001021101 its reverse (1011201000222), we get a palindrome (3231202021323).

It can be divided in two parts, 22200010 and 21101, that added together give a triangular number (22221111 = T₆₆₆₆).

The spelling of 2220001021101 in words is "two trillion, two hundred twenty billion, one million, twenty-one thousand, one hundred one".