2201112120021 has 8 divisors (see below), whose sum is σ = 2938787497440. Its totient is φ = 1465422411312.

The previous prime is 2201112120019. The next prime is 2201112120037. The reversal of 2201112120021 is 1200212111022.

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

It is not a de Polignac number, because 2201112120021 - 2¹ = 2201112120019 is a prime.

It is a super-2 number, since 2×2201112120021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201112120041) 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, 496414590 + ... + 496419023.

It is an arithmetic number, because the mean of its divisors is an integer number (367348437180).

Almost surely, 2^{2201112120021} is an apocalyptic number.

It is an amenable number.

2201112120021 is a deficient number, since it is larger than the sum of its proper divisors (737675377419).

2201112120021 is an equidigital number, since it uses as much as digits as its factorization.

2201112120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992834355.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201112120021 its reverse (1200212111022), we get a palindrome (3401324231043).

The spelling of 2201112120021 in words is "two trillion, two hundred one billion, one hundred twelve million, one hundred twenty thousand, twenty-one".