121012122220001 has 8 divisors (see below), whose sum is σ = 121966412021760. Its totient is φ = 120057854894208.

The previous prime is 121012122219889. The next prime is 121012122220019. The reversal of 121012122220001 is 100022221210121.

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 121012122220001 - 2³⁴ = 120994942350817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012122220501) 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, 5274545 + ... + 16426961.

It is an arithmetic number, because the mean of its divisors is an integer number (15245801502720).

Almost surely, 2^{121012122220001} is an apocalyptic number.

It is an amenable number.

121012122220001 is a deficient number, since it is larger than the sum of its proper divisors (954289801759).

121012122220001 is a wasteful number, since it uses less digits than its factorization.

121012122220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237983.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121012122220001 its reverse (100022221210121), we get a palindrome (221034343430122).

The spelling of 121012122220001 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, one".