2101454512 has 10 divisors (see below), whose sum is σ = 4071568148. Its totient is φ = 1050727248.

The previous prime is 2101454503. The next prime is 2101454519. The reversal of 2101454512 is 2154541012.

It is a super-2 number, since 2×2101454512² = 8832222132010316288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101454519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65670438 + ... + 65670469.

Almost surely, 2^2101454512 is an apocalyptic number.

It is an amenable number.

2101454512 is a deficient number, since it is larger than the sum of its proper divisors (1970113636).

2101454512 is a wasteful number, since it uses less digits than its factorization.

2101454512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131340915 (or 131340909 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2101454512 is about 45841.6242295144. The cubic root of 2101454512 is about 1280.8747503678.

Adding to 2101454512 its reverse (2154541012), we get a palindrome (4255995524).

The spelling of 2101454512 in words is "two billion, one hundred one million, four hundred fifty-four thousand, five hundred twelve".