2221110121101 has 8 divisors (see below), whose sum is σ = 3041520165984. Its totient is φ = 1440720078480.

The previous prime is 2221110121079. The next prime is 2221110121123. The reversal of 2221110121101 is 1011210111222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2221110121079) and next prime (2221110121123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221110121101 - 2¹⁰ = 2221110120077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221110121171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10005000435 + ... + 10005000656.

It is an arithmetic number, because the mean of its divisors is an integer number (380190020748).

Almost surely, 2^{2221110121101} is an apocalyptic number.

It is an amenable number.

2221110121101 is a deficient number, since it is larger than the sum of its proper divisors (820410044883).

2221110121101 is a wasteful number, since it uses less digits than its factorization.

2221110121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20010001131.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2221110121101 its reverse (1011210111222), we get a palindrome (3232320232323).

The spelling of 2221110121101 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty-one thousand, one hundred one".