2201022120021 has 16 divisors (see below), whose sum is σ = 3112040606400. Its totient is φ = 1378937815808.

The previous prime is 2201022119983. The next prime is 2201022120043. The reversal of 2201022120021 is 1200212201022.

It is a cyclic number.

It is not a de Polignac number, because 2201022120021 - 2⁷ = 2201022119893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022120061) 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, 32710926 + ... + 32778143.

It is an arithmetic number, because the mean of its divisors is an integer number (194502537900).

Almost surely, 2^{2201022120021} is an apocalyptic number.

It is an amenable number.

2201022120021 is a deficient number, since it is larger than the sum of its proper divisors (911018486379).

2201022120021 is a wasteful number, since it uses less digits than its factorization.

2201022120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65489748.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2201022120021 its reverse (1200212201022), we get a palindrome (3401234321043).

It can be divided in two parts, 2201022 and 120021, that multiplied together give a palindrome (264168861462).

The spelling of 2201022120021 in words is "two trillion, two hundred one billion, twenty-two million, one hundred twenty thousand, twenty-one".