1054201512221 has 8 divisors (see below), whose sum is σ = 1238502476064. Its totient is φ = 884644625520.

The previous prime is 1054201512209. The next prime is 1054201512229. The reversal of 1054201512221 is 1222151024501.

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 1054201512221 - 2³⁰ = 1053127770397 is a prime.

It is a super-2 number, since 2×1054201512221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054201512229) 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, 3686019131 + ... + 3686019416.

It is an arithmetic number, because the mean of its divisors is an integer number (154812809508).

Almost surely, 2^{1054201512221} is an apocalyptic number.

1054201512221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1054201512221 is a deficient number, since it is larger than the sum of its proper divisors (184300963843).

1054201512221 is a wasteful number, since it uses less digits than its factorization.

1054201512221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372038571.

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

Adding to 1054201512221 its reverse (1222151024501), we get a palindrome (2276352536722).

The spelling of 1054201512221 in words is "one trillion, fifty-four billion, two hundred one million, five hundred twelve thousand, two hundred twenty-one".