2102011254 has 24 divisors (see below), whose sum is σ = 5204980560. Its totient is φ = 600574608.

The previous prime is 2102011253. The next prime is 2102011267. The reversal of 2102011254 is 4521102012.

2102011254 is a `hidden beast` number, since 210 + 201 + 1 + 254 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102011253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8341189 + ... + 8341440.

It is an arithmetic number, because the mean of its divisors is an integer number (216874190).

Almost surely, 2^2102011254 is an apocalyptic number.

2102011254 is an abundant number, since it is smaller than the sum of its proper divisors (3102969306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102011254 is a wasteful number, since it uses less digits than its factorization.

2102011254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16682644 (or 16682641 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2102011254 is about 45847.6962780029. The cubic root of 2102011254 is about 1280.9878551721.

Adding to 2102011254 its reverse (4521102012), we get a palindrome (6623113266).

The spelling of 2102011254 in words is "two billion, one hundred two million, eleven thousand, two hundred fifty-four".