101223212131 has 8 divisors (see below), whose sum is σ = 103885887744. Its totient is φ = 98588418240.

The previous prime is 101223212119. The next prime is 101223212141. The reversal of 101223212131 is 131212322101.

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 101223212131 - 2²¹ = 101221114979 is a prime.

It is a super-2 number, since 2×101223212131² (a number of 23 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 = 101223212099 and 101223212108.

It is not an unprimeable number, because it can be changed into a prime (101223212141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6963075 + ... + 6977596.

It is an arithmetic number, because the mean of its divisors is an integer number (12985735968).

Almost surely, 2^101223212131 is an apocalyptic number.

101223212131 is a deficient number, since it is larger than the sum of its proper divisors (2662675613).

101223212131 is a wasteful number, since it uses less digits than its factorization.

101223212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940861.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101223212131 its reverse (131212322101), we get a palindrome (232435534232).

The spelling of 101223212131 in words is "one hundred one billion, two hundred twenty-three million, two hundred twelve thousand, one hundred thirty-one".