101124201243 has 16 divisors (see below), whose sum is σ = 145469467136. Its totient is φ = 62116498080.

The previous prime is 101124201197. The next prime is 101124201271. The reversal of 101124201243 is 342102421101.

It is not a de Polignac number, because 101124201243 - 2¹⁷ = 101124070171 is a prime.

It is a super-2 number, since 2×101124201243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101124201743) 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, 2348803 + ... + 2391468.

It is an arithmetic number, because the mean of its divisors is an integer number (9091841696).

Almost surely, 2^101124201243 is an apocalyptic number.

101124201243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101124201243 is a deficient number, since it is larger than the sum of its proper divisors (44345265893).

101124201243 is a wasteful number, since it uses less digits than its factorization.

101124201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740834.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101124201243 its reverse (342102421101), we get a palindrome (443226622344).

The spelling of 101124201243 in words is "one hundred one billion, one hundred twenty-four million, two hundred one thousand, two hundred forty-three".