101211424040291 has 4 divisors (see below), whose sum is σ = 104476308686784. Its totient is φ = 97946539393800.

The previous prime is 101211424040249. The next prime is 101211424040327. The reversal of 101211424040291 is 192040424112101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101211424040291 - 2¹⁰ = 101211424039267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101211424040201) 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, 1632442323200 + ... + 1632442323261.

It is an arithmetic number, because the mean of its divisors is an integer number (26119077171696).

Almost surely, 2^{101211424040291} is an apocalyptic number.

101211424040291 is a deficient number, since it is larger than the sum of its proper divisors (3264884646493).

101211424040291 is an equidigital number, since it uses as much as digits as its factorization.

101211424040291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264884646492.

The product of its (nonzero) digits is 4608, while the sum is 32.

Adding to 101211424040291 its reverse (192040424112101), we get a palindrome (293251848152392).

The spelling of 101211424040291 in words is "one hundred one trillion, two hundred eleven billion, four hundred twenty-four million, forty thousand, two hundred ninety-one".