2101454225 has 24 divisors (see below), whose sum is σ = 2928270912. Its totient is φ = 1484366400.

The previous prime is 2101454203. The next prime is 2101454239. The reversal of 2101454225 is 5224541012.

It is not a de Polignac number, because 2101454225 - 2¹² = 2101450129 is a prime.

It is a super-2 number, since 2×2101454225² = 8832219719540701250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101454194 and 2101454203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133091 + ... + 148040.

It is an arithmetic number, because the mean of its divisors is an integer number (122011288).

Almost surely, 2^2101454225 is an apocalyptic number.

2101454225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2101454225 is a deficient number, since it is larger than the sum of its proper divisors (826816687).

2101454225 is a wasteful number, since it uses less digits than its factorization.

2101454225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281177 (or 281172 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2101454225 is about 45841.6210991714. The cubic root of 2101454225 is about 1280.8746920573.

Adding to 2101454225 its reverse (5224541012), we get a palindrome (7325995237).

The spelling of 2101454225 in words is "two billion, one hundred one million, four hundred fifty-four thousand, two hundred twenty-five".