122121001200101 has 4 divisors (see below), whose sum is σ = 122241555002892. Its totient is φ = 122000447397312.

The previous prime is 122121001200061. The next prime is 122121001200139. The reversal of 122121001200101 is 101002100121221.

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 27849620871076 + 94271380329025 = 5277274^2 + 9709345^2 .

It is a cyclic number.

It is not a de Polignac number, because 122121001200101 - 2¹⁴ = 122121001183717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121001203101) 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, 60276899876 + ... + 60276901901.

It is an arithmetic number, because the mean of its divisors is an integer number (30560388750723).

Almost surely, 2^{122121001200101} is an apocalyptic number.

It is an amenable number.

122121001200101 is a deficient number, since it is larger than the sum of its proper divisors (120553802791).

122121001200101 is a wasteful number, since it uses less digits than its factorization.

122121001200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120553802790.

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

Adding to 122121001200101 its reverse (101002100121221), we get a palindrome (223123101321322).

The spelling of 122121001200101 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one million, two hundred thousand, one hundred one".