100122112120001 has 4 divisors (see below), whose sum is σ = 100122896602500. Its totient is φ = 100121327637504.

The previous prime is 100122112119989. The next prime is 100122112120021. The reversal of 100122112120001 is 100021211221001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61306707619600 + 38815404500401 = 7829860^2 + 6230201^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122112120001 - 2¹⁴ = 100122112103617 is a prime.

It is a super-2 number, since 2×100122112120001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100122112120021) 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, 392049776 + ... + 392305073.

It is an arithmetic number, because the mean of its divisors is an integer number (25030724150625).

Almost surely, 2^{100122112120001} is an apocalyptic number.

It is an amenable number.

100122112120001 is a deficient number, since it is larger than the sum of its proper divisors (784482499).

100122112120001 is an equidigital number, since it uses as much as digits as its factorization.

100122112120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784482498.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100122112120001 its reverse (100021211221001), we get a palindrome (200143323341002).

The spelling of 100122112120001 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty thousand, one".