2201212120101 has 16 divisors (see below), whose sum is σ = 3223743152640. Its totient is φ = 1329794048880.

The previous prime is 2201212120067. The next prime is 2201212120103. The reversal of 2201212120101 is 1010212121022.

It is not a de Polignac number, because 2201212120101 - 2¹⁹ = 2201211595813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201212120103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839515135 + ... + 839517756.

It is an arithmetic number, because the mean of its divisors is an integer number (201483947040).

Almost surely, 2^{2201212120101} is an apocalyptic number.

It is an amenable number.

2201212120101 is a deficient number, since it is larger than the sum of its proper divisors (1022531032539).

2201212120101 is a wasteful number, since it uses less digits than its factorization.

2201212120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679032936.

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

Adding to 2201212120101 its reverse (1010212121022), we get a palindrome (3211424241123).

The spelling of 2201212120101 in words is "two trillion, two hundred one billion, two hundred twelve million, one hundred twenty thousand, one hundred one".