451021101201 has 24 divisors (see below), whose sum is σ = 712348940160. Its totient is φ = 272711882400.

The previous prime is 451021101199. The next prime is 451021101203. The reversal of 451021101201 is 102101120154.

451021101201 is a `hidden beast` number, since 4 + 510 + 21 + 10 + 120 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (451021101199) and next prime (451021101203).

It is not a de Polignac number, because 451021101201 - 2¹ = 451021101199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451021101203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5242446 + ... + 5327783.

It is an arithmetic number, because the mean of its divisors is an integer number (29681205840).

Almost surely, 2^451021101201 is an apocalyptic number.

It is an amenable number.

451021101201 is a deficient number, since it is larger than the sum of its proper divisors (261327838959).

451021101201 is a wasteful number, since it uses less digits than its factorization.

451021101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570677 (or 10570674 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 451021101201 its reverse (102101120154), we get a palindrome (553122221355).

The spelling of 451021101201 in words is "four hundred fifty-one billion, twenty-one million, one hundred one thousand, two hundred one".