2221100110101 has 48 divisors (see below), whose sum is σ = 3264675920640. Its totient is φ = 1341325655040.

The previous prime is 2221100110087. The next prime is 2221100110109. The reversal of 2221100110101 is 1010110011222.

It is not a de Polignac number, because 2221100110101 - 2¹⁸ = 2221099847957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221100110109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7830996 + ... + 8109666.

It is an arithmetic number, because the mean of its divisors is an integer number (68014081680).

Almost surely, 2^{2221100110101} is an apocalyptic number.

It is an amenable number.

2221100110101 is a deficient number, since it is larger than the sum of its proper divisors (1043575810539).

2221100110101 is a wasteful number, since it uses less digits than its factorization.

2221100110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279054 (or 279037 counting only the distinct ones).

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

Adding to 2221100110101 its reverse (1010110011222), we get a palindrome (3231210121323).

The spelling of 2221100110101 in words is "two trillion, two hundred twenty-one billion, one hundred million, one hundred ten thousand, one hundred one".