101211452143 has 16 divisors (see below), whose sum is σ = 107111166976. Its totient is φ = 95485158720.

The previous prime is 101211452131. The next prime is 101211452171. The reversal of 101211452143 is 341254112101.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101211452143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211452443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624571 + ... + 769747.

It is an arithmetic number, because the mean of its divisors is an integer number (6694447936).

Almost surely, 2^101211452143 is an apocalyptic number.

101211452143 is a deficient number, since it is larger than the sum of its proper divisors (5899714833).

101211452143 is a wasteful number, since it uses less digits than its factorization.

101211452143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145774.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 101211452143 its reverse (341254112101), we get a palindrome (442465564244).

The spelling of 101211452143 in words is "one hundred one billion, two hundred eleven million, four hundred fifty-two thousand, one hundred forty-three".