2203145101121 has 4 divisors (see below), whose sum is σ = 2203148489472. Its totient is φ = 2203141712772.

The previous prime is 2203145101103. The next prime is 2203145101139. The reversal of 2203145101121 is 1211015413022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2203145101103) and next prime (2203145101139).

It is a cyclic number.

It is not a de Polignac number, because 2203145101121 - 2¹⁴ = 2203145084737 is a prime.

It is a super-2 number, since 2×2203145101121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2203144101121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378041 + ... + 2132886.

It is an arithmetic number, because the mean of its divisors is an integer number (550787122368).

Almost surely, 2^{2203145101121} is an apocalyptic number.

It is an amenable number.

2203145101121 is a deficient number, since it is larger than the sum of its proper divisors (3388351).

2203145101121 is an equidigital number, since it uses as much as digits as its factorization.

2203145101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388350.

The product of its (nonzero) digits is 480, while the sum is 23.

The spelling of 2203145101121 in words is "two trillion, two hundred three billion, one hundred forty-five million, one hundred one thousand, one hundred twenty-one".