101230142111 has 4 divisors (see below), whose sum is σ = 115691590992. Its totient is φ = 86768693232.

The previous prime is 101230142107. The next prime is 101230142141. The reversal of 101230142111 is 111241032101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111241032101 = 62299 ⋅1785599.

It is a cyclic number.

It is not a de Polignac number, because 101230142111 - 2² = 101230142107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101230142111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230142141) 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, 7230724430 + ... + 7230724443.

It is an arithmetic number, because the mean of its divisors is an integer number (28922897748).

Almost surely, 2^101230142111 is an apocalyptic number.

101230142111 is a deficient number, since it is larger than the sum of its proper divisors (14461448881).

101230142111 is an equidigital number, since it uses as much as digits as its factorization.

101230142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461448880.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101230142111 its reverse (111241032101), we get a palindrome (212471174212).

The spelling of 101230142111 in words is "one hundred one billion, two hundred thirty million, one hundred forty-two thousand, one hundred eleven".