214155101 has 4 divisors (see below), whose sum is σ = 214215804. Its totient is φ = 214094400.

The previous prime is 214155091. The next prime is 214155113. The reversal of 214155101 is 101551412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102535876 + 111619225 = 10126^2 + 10565^2 .

It is a cyclic number.

It is not a de Polignac number, because 214155101 - 2¹⁰ = 214154077 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 (214155131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24710 + ... + 32231.

It is an arithmetic number, because the mean of its divisors is an integer number (53553951).

Almost surely, 2^214155101 is an apocalyptic number.

It is an amenable number.

214155101 is a deficient number, since it is larger than the sum of its proper divisors (60703).

214155101 is an equidigital number, since it uses as much as digits as its factorization.

214155101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60702.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 214155101 is about 14634.0391211723. The cubic root of 214155101 is about 598.2868735031.

The spelling of 214155101 in words is "two hundred fourteen million, one hundred fifty-five thousand, one hundred one".