2201212121131 has 8 divisors (see below), whose sum is σ = 2209630088160. Its totient is φ = 2192794520832.

The previous prime is 2201212121077. The next prime is 2201212121137. The reversal of 2201212121131 is 1311212121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201212121131 - 2¹¹ = 2201212119083 is a prime.

It is a super-2 number, since 2×2201212121131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201212121099 and 2201212121108.

It is not an unprimeable number, because it can be changed into a prime (2201212121137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23120955 + ... + 23215963.

It is an arithmetic number, because the mean of its divisors is an integer number (276203761020).

Almost surely, 2^{2201212121131} is an apocalyptic number.

2201212121131 is a deficient number, since it is larger than the sum of its proper divisors (8417967029).

2201212121131 is an equidigital number, since it uses as much as digits as its factorization.

2201212121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183365.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2201212121131 its reverse (1311212121022), we get a palindrome (3512424242153).

The spelling of 2201212121131 in words is "two trillion, two hundred one billion, two hundred twelve million, one hundred twenty-one thousand, one hundred thirty-one".