2215150101 has 12 divisors (see below), whose sum is σ = 3201568812. Its totient is φ = 1475886336.

The previous prime is 2215150097. The next prime is 2215150111. The reversal of 2215150101 is 1010515122.

It can be written as a sum of positive squares in 2 ways, for example, as 1989249201 + 225900900 = 44601^2 + 15030^2 .

It is not a de Polignac number, because 2215150101 - 2² = 2215150097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215150111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57246 + ... + 87791.

It is an arithmetic number, because the mean of its divisors is an integer number (266797401).

Almost surely, 2^2215150101 is an apocalyptic number.

It is an amenable number.

2215150101 is a deficient number, since it is larger than the sum of its proper divisors (986418711).

2215150101 is a wasteful number, since it uses less digits than its factorization.

2215150101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146740 (or 146737 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 2215150101 is about 47065.3811309332. The cubic root of 2215150101 is about 1303.5700883485.

Adding to 2215150101 its reverse (1010515122), we get a palindrome (3225665223).

The spelling of 2215150101 in words is "two billion, two hundred fifteen million, one hundred fifty thousand, one hundred one".