2151230101 has 8 divisors (see below), whose sum is σ = 2201882144. Its totient is φ = 2100606480.

The previous prime is 2151230071. The next prime is 2151230111. The reversal of 2151230101 is 1010321512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2151230101 - 2¹³ = 2151221909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151230111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283975 + ... + 291451.

It is an arithmetic number, because the mean of its divisors is an integer number (275235268).

Almost surely, 2^2151230101 is an apocalyptic number.

It is an amenable number.

2151230101 is a deficient number, since it is larger than the sum of its proper divisors (50652043).

2151230101 is an equidigital number, since it uses as much as digits as its factorization.

2151230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14211.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2151230101 is about 46381.3551009455. The cubic root of 2151230101 is about 1290.9089803657.

Adding to 2151230101 its reverse (1010321512), we get a palindrome (3161551613).

The spelling of 2151230101 in words is "two billion, one hundred fifty-one million, two hundred thirty thousand, one hundred one".