2151412101 has 24 divisors (see below), whose sum is σ = 3379333464. Its totient is φ = 1313418240.

The previous prime is 2151412097. The next prime is 2151412117. The reversal of 2151412101 is 1012141512.

2151412101 is a `hidden beast` number, since 2 + 151 + 412 + 101 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 582063876 + 1569348225 = 24126^2 + 39615^2 .

It is not a de Polignac number, because 2151412101 - 2² = 2151412097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151412171) 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, 184360 + ... + 195681.

It is an arithmetic number, because the mean of its divisors is an integer number (140805561).

Almost surely, 2^2151412101 is an apocalyptic number.

It is an amenable number.

2151412101 is a deficient number, since it is larger than the sum of its proper divisors (1227921363).

2151412101 is a wasteful number, since it uses less digits than its factorization.

2151412101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380101 (or 380098 counting only the distinct ones).

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

The square root of 2151412101 is about 46383.3170547342. The cubic root of 2151412101 is about 1290.9453841592.

Adding to 2151412101 its reverse (1012141512), we get a palindrome (3163553613).

The spelling of 2151412101 in words is "two billion, one hundred fifty-one million, four hundred twelve thousand, one hundred one".