1211421133097 has 8 divisors (see below), whose sum is σ = 1392130364352. Its totient is φ = 1032624169200.

The previous prime is 1211421133079. The next prime is 1211421133103. The reversal of 1211421133097 is 7903311241121.

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 1211421133097 - 2²⁴ = 1211404355881 is a prime.

It is a super-3 number, since 3×1211421133097³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1211421133037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478065479 + ... + 478068012.

It is an arithmetic number, because the mean of its divisors is an integer number (174016295544).

Almost surely, 2^{1211421133097} is an apocalyptic number.

It is an amenable number.

1211421133097 is a deficient number, since it is larger than the sum of its proper divisors (180709231255).

1211421133097 is an equidigital number, since it uses as much as digits as its factorization.

1211421133097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956133679.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 1211421133097 in words is "one trillion, two hundred eleven billion, four hundred twenty-one million, one hundred thirty-three thousand, ninety-seven".