121351290984001 has 16 divisors (see below), whose sum is σ = 138414761138304. Its totient is φ = 105395866216704.

The previous prime is 121351290983981. The next prime is 121351290984013. The reversal of 121351290984001 is 100489092153121.

It is a cyclic number.

It is not a de Polignac number, because 121351290984001 - 2³¹ = 121349143500353 is a prime.

It is a super-2 number, since 2×121351290984001² (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 (121351290984031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81289125 + ... + 82768498.

It is an arithmetic number, because the mean of its divisors is an integer number (8650922571144).

Almost surely, 2^{121351290984001} is an apocalyptic number.

It is an amenable number.

121351290984001 is a deficient number, since it is larger than the sum of its proper divisors (17063470154303).

121351290984001 is a wasteful number, since it uses less digits than its factorization.

121351290984001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164061000.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 121351290984001 in words is "one hundred twenty-one trillion, three hundred fifty-one billion, two hundred ninety million, nine hundred eighty-four thousand, one".