4021221011101 has 8 divisors (see below), whose sum is σ = 4595698425920. Its totient is φ = 3446747913888.

The previous prime is 4021221011099. The next prime is 4021221011131. The reversal of 4021221011101 is 1011101221204.

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 4021221011101 - 2¹ = 4021221011099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021221011131) 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, 1252105 + ... + 3100033.

It is an arithmetic number, because the mean of its divisors is an integer number (574462303240).

Almost surely, 2^{4021221011101} is an apocalyptic number.

It is an amenable number.

4021221011101 is a deficient number, since it is larger than the sum of its proper divisors (574477414819).

4021221011101 is a wasteful number, since it uses less digits than its factorization.

4021221011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158803.

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

Adding to 4021221011101 its reverse (1011101221204), we get a palindrome (5032322232305).

The spelling of 4021221011101 in words is "four trillion, twenty-one billion, two hundred twenty-one million, eleven thousand, one hundred one".