2203121031101 has 12 divisors (see below), whose sum is σ = 2328582218112. Its totient is φ = 2084111177544.

The previous prime is 2203121031071. The next prime is 2203121031113. The reversal of 2203121031101 is 1011301213022.

It is not a de Polignac number, because 2203121031101 - 2¹⁸ = 2203120768957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2203121031101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203121031701) 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, 4221101 + ... + 4714226.

It is an arithmetic number, because the mean of its divisors is an integer number (194048518176).

Almost surely, 2^{2203121031101} is an apocalyptic number.

It is an amenable number.

2203121031101 is a deficient number, since it is larger than the sum of its proper divisors (125461187011).

2203121031101 is an equidigital number, since it uses as much as digits as its factorization.

2203121031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936048 (or 8936029 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2203121031101 its reverse (1011301213022), we get a palindrome (3214422244123).

The spelling of 2203121031101 in words is "two trillion, two hundred three billion, one hundred twenty-one million, thirty-one thousand, one hundred one".