2221235135541 has 32 divisors (see below), whose sum is σ = 3366720339840.
Its totient is φ = 1446854572800.
The previous prime is 2221235135419. The next prime is 2221235135557. The reversal of 2221235135541 is 1455315321222.
2221235135541 is a `hidden beast` number, since 2 + 2 + 212 + 3 + 51 + 355 + 41 = 666.
It is not a de Polignac number, because 2221235135541 - 214 = 2221235119157 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2221235135496 and 2221235135505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221235135741) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2875515 + ... + 3565256.
It is an arithmetic number, because the mean of its divisors is an integer number (105210010620).
Almost surely, 22221235135541 is an apocalyptic number.
It is an amenable number.
2221235135541 is a deficient number, since it is larger than the sum of its proper divisors (1145485204299).
2221235135541 is a wasteful number, since it uses less digits than its factorization.
2221235135541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6441074 (or 6441068 counting only the distinct ones).
The product of its digits is 72000, while the sum is 36.
The spelling of 2221235135541 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-five million, one hundred thirty-five thousand, five hundred forty-one".