101142212123 has 8 divisors (see below), whose sum is σ = 104633518080. Its totient is φ = 97651149120.

The previous prime is 101142212107. The next prime is 101142212131. The reversal of 101142212123 is 321212241101.

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 101142212123 - 2⁴ = 101142212107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101142212095 and 101142212104.

It is not an unprimeable number, because it can be changed into a prime (101142212323) 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, 1313711 + ... + 1388567.

It is an arithmetic number, because the mean of its divisors is an integer number (13079189760).

Almost surely, 2^101142212123 is an apocalyptic number.

101142212123 is a deficient number, since it is larger than the sum of its proper divisors (3491305957).

101142212123 is an equidigital number, since it uses as much as digits as its factorization.

101142212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121477.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101142212123 its reverse (321212241101), we get a palindrome (422354453224).

The spelling of 101142212123 in words is "one hundred one billion, one hundred forty-two million, two hundred twelve thousand, one hundred twenty-three".