121020151453143 has 8 divisors (see below), whose sum is σ = 165721288476528. Its totient is φ = 78499557699264.

The previous prime is 121020151453111. The next prime is 121020151453183. The reversal of 121020151453143 is 341354151020121.

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

It is not a de Polignac number, because 121020151453143 - 2⁵ = 121020151453111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020151453183) 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, 545135817246 + ... + 545135817467.

It is an arithmetic number, because the mean of its divisors is an integer number (20715161059566).

Almost surely, 2^{121020151453143} is an apocalyptic number.

121020151453143 is a deficient number, since it is larger than the sum of its proper divisors (44701137023385).

121020151453143 is a wasteful number, since it uses less digits than its factorization.

121020151453143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090271634753.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 121020151453143 in words is "one hundred twenty-one trillion, twenty billion, one hundred fifty-one million, four hundred fifty-three thousand, one hundred forty-three".