101212011231001 has 4 divisors (see below), whose sum is σ = 110413103161104. Its totient is φ = 92010919300900.

The previous prime is 101212011230971. The next prime is 101212011231011. The reversal of 101212011231001 is 100132110212101.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 101212011231001 - 2⁷ = 101212011230873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101212011231011) 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, 4600545965035 + ... + 4600545965056.

It is an arithmetic number, because the mean of its divisors is an integer number (27603275790276).

Almost surely, 2^{101212011231001} is an apocalyptic number.

101212011231001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101212011231001 is a deficient number, since it is larger than the sum of its proper divisors (9201091930103).

101212011231001 is an equidigital number, since it uses as much as digits as its factorization.

101212011231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201091930102.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 101212011231001 its reverse (100132110212101), we get a palindrome (201344121443102).

The spelling of 101212011231001 in words is "one hundred one trillion, two hundred twelve billion, eleven million, two hundred thirty-one thousand, one".