101212331121331 has 4 divisors (see below), whose sum is σ = 101606153421672. Its totient is φ = 100818508820992.

The previous prime is 101212331121301. The next prime is 101212331121337. The reversal of 101212331121331 is 133121133212101.

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 101212331121331 - 2²⁵ = 101212297566899 is a prime.

It is a super-2 number, since 2×101212331121331² (a number of 29 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 = 101212331121296 and 101212331121305.

It is not an unprimeable number, because it can be changed into a prime (101212331121337) 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, 196911149785 + ... + 196911150298.

It is an arithmetic number, because the mean of its divisors is an integer number (25401538355418).

Almost surely, 2^{101212331121331} is an apocalyptic number.

101212331121331 is a deficient number, since it is larger than the sum of its proper divisors (393822300341).

101212331121331 is an equidigital number, since it uses as much as digits as its factorization.

101212331121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393822300340.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 101212331121331 its reverse (133121133212101), we get a palindrome (234333464333432).

The spelling of 101212331121331 in words is "one hundred one trillion, two hundred twelve billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty-one".