2201021211124 has 6 divisors (see below), whose sum is σ = 3851787119474. Its totient is φ = 1100510605560.

The previous prime is 2201021211097. The next prime is 2201021211127. The reversal of 2201021211124 is 4211121201022.

It can be written as a sum of positive squares in only one way, i.e., 1297475908624 + 903545302500 = 1139068^2 + 950550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201021211127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275127651387 + ... + 275127651394.

Almost surely, 2^{2201021211124} is an apocalyptic number.

It is an amenable number.

2201021211124 is a deficient number, since it is larger than the sum of its proper divisors (1650765908350).

2201021211124 is a wasteful number, since it uses less digits than its factorization.

2201021211124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550255302785 (or 550255302783 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2201021211124 its reverse (4211121201022), we get a palindrome (6412142412146).

The spelling of 2201021211124 in words is "two trillion, two hundred one billion, twenty-one million, two hundred eleven thousand, one hundred twenty-four".