101054821 has 16 divisors (see below), whose sum is σ = 119952000. Its totient is φ = 83297088.

The previous prime is 101054771. The next prime is 101054831. The reversal of 101054821 is 128450101.

It is not a de Polignac number, because 101054821 - 2²¹ = 98957669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101054792 and 101054801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101054831) 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, 58630 + ... + 60328.

It is an arithmetic number, because the mean of its divisors is an integer number (7497000).

Almost surely, 2^101054821 is an apocalyptic number.

It is an amenable number.

101054821 is a deficient number, since it is larger than the sum of its proper divisors (18897179).

101054821 is a wasteful number, since it uses less digits than its factorization.

101054821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 101054821 is about 10052.6026978092. The cubic root of 101054821 is about 465.7851935992.

The spelling of 101054821 in words is "one hundred one million, fifty-four thousand, eight hundred twenty-one".