2201103213021 has 40 divisors (see below), whose sum is σ = 3376262535360. Its totient is φ = 1428525445248.

The previous prime is 2201103212947. The next prime is 2201103213041. The reversal of 2201103213021 is 1203123011022.

2201103213021 is a `hidden beast` number, since 220 + 110 + 32 + 1 + 302 + 1 = 666.

It is not a de Polignac number, because 2201103213021 - 2⁹ = 2201103212509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201103212985 and 2201103213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201103213041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1743580 + ... + 2728053.

It is an arithmetic number, because the mean of its divisors is an integer number (84406563384).

Almost surely, 2^{2201103213021} is an apocalyptic number.

It is an amenable number.

2201103213021 is a deficient number, since it is larger than the sum of its proper divisors (1175159322339).

2201103213021 is a wasteful number, since it uses less digits than its factorization.

2201103213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471807 (or 4471798 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2201103213021 its reverse (1203123011022), we get a palindrome (3404226224043).

The spelling of 2201103213021 in words is "two trillion, two hundred one billion, one hundred three million, two hundred thirteen thousand, twenty-one".