2201022101012 has 36 divisors (see below), whose sum is σ = 4635157392180. Its totient is φ = 910767763584.

The previous prime is 2201022100967. The next prime is 2201022101017. The reversal of 2201022101012 is 2101012201022.

It can be written as a sum of positive squares in 2 ways, for example, as 1012651765636 + 1188370335376 = 1006306^2 + 1090124^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201022101017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193609913 + ... + 193621280.

It is an arithmetic number, because the mean of its divisors is an integer number (128754372005).

Almost surely, 2^{2201022101012} is an apocalyptic number.

It is an amenable number.

2201022101012 is an abundant number, since it is smaller than the sum of its proper divisors (2434135291168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201022101012 is a wasteful number, since it uses less digits than its factorization.

2201022101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387231240 (or 387231231 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201022101012 its reverse (2101012201022), we get a palindrome (4302034302034).

The spelling of 2201022101012 in words is "two trillion, two hundred one billion, twenty-two million, one hundred one thousand, twelve".