1214120101 has 4 divisors (see below), whose sum is σ = 1214197452. Its totient is φ = 1214042752.

The previous prime is 1214120087. The next prime is 1214120107. The reversal of 1214120101 is 1010214121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 321664225 + 892455876 = 17935^2 + 29874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214120101 - 2¹⁵ = 1214087333 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 (1214120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5836 + ... + 49621.

It is an arithmetic number, because the mean of its divisors is an integer number (303549363).

Almost surely, 2^1214120101 is an apocalyptic number.

It is an amenable number.

1214120101 is a deficient number, since it is larger than the sum of its proper divisors (77351).

1214120101 is an equidigital number, since it uses as much as digits as its factorization.

1214120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77350.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1214120101 is about 34844.2262218578. The cubic root of 1214120101 is about 1066.8103400982.

Adding to 1214120101 its reverse (1010214121), we get a palindrome (2224334222).

The spelling of 1214120101 in words is "one billion, two hundred fourteen million, one hundred twenty thousand, one hundred one".