112121210001 has 8 divisors (see below), whose sum is σ = 153535350784. Its totient is φ = 72727271280.

The previous prime is 112121209903. The next prime is 112121210027. The reversal of 112121210001 is 100012121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112121210001 - 2⁷ = 112121209873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121210401) 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, 505050385 + ... + 505050606.

It is an arithmetic number, because the mean of its divisors is an integer number (19191918848).

Almost surely, 2^112121210001 is an apocalyptic number.

It is an amenable number.

112121210001 is a deficient number, since it is larger than the sum of its proper divisors (41414140783).

112121210001 is a wasteful number, since it uses less digits than its factorization.

112121210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010101031.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112121210001 its reverse (100012121211), we get a palindrome (212133331212).

The spelling of 112121210001 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred ten thousand, one".