20051010454121 has 8 divisors (see below), whose sum is σ = 20189531350464. Its totient is φ = 19912709260080.

The previous prime is 20051010454103. The next prime is 20051010454199. The reversal of 20051010454121 is 12145401015002.

It is a happy number.

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 20051010454121 - 2³⁸ = 19776132547177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20051010454021) 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, 54742415 + ... + 55107476.

It is an arithmetic number, because the mean of its divisors is an integer number (2523691418808).

Almost surely, 2^{20051010454121} is an apocalyptic number.

It is an amenable number.

20051010454121 is a deficient number, since it is larger than the sum of its proper divisors (138520896343).

20051010454121 is a wasteful number, since it uses less digits than its factorization.

20051010454121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109851151.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 20051010454121 its reverse (12145401015002), we get a palindrome (32196411469123).

The spelling of 20051010454121 in words is "twenty trillion, fifty-one billion, ten million, four hundred fifty-four thousand, one hundred twenty-one".