2111221202101 has 8 divisors (see below), whose sum is σ = 2340906967008. Its totient is φ = 1887828198000.

The previous prime is 2111221202063. The next prime is 2111221202107. The reversal of 2111221202101 is 1012021221112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111221202101 - 2¹³ = 2111221193909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111221202107) 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, 1573189495 + ... + 1573190836.

It is an arithmetic number, because the mean of its divisors is an integer number (292613370876).

Almost surely, 2^{2111221202101} is an apocalyptic number.

It is an amenable number.

2111221202101 is a deficient number, since it is larger than the sum of its proper divisors (229685764907).

2111221202101 is a wasteful number, since it uses less digits than its factorization.

2111221202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146380403.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111221202101 its reverse (1012021221112), we get a palindrome (3123242423213).

The spelling of 2111221202101 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred two thousand, one hundred one".