1210230101 has 4 divisors (see below), whose sum is σ = 1210565952. Its totient is φ = 1209894252.

The previous prime is 1210230097. The next prime is 1210230107. The reversal of 1210230101 is 1010320121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1010320121 = 13177 ⋅76673.

It is a cyclic number.

It is not a de Polignac number, because 1210230101 - 2² = 1210230097 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 (1210230107) 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, 162461 + ... + 169746.

It is an arithmetic number, because the mean of its divisors is an integer number (302641488).

Almost surely, 2^1210230101 is an apocalyptic number.

It is an amenable number.

1210230101 is a deficient number, since it is larger than the sum of its proper divisors (335851).

1210230101 is an equidigital number, since it uses as much as digits as its factorization.

1210230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335850.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1210230101 is about 34788.3615739517. The cubic root of 1210230101 is about 1065.6697796314.

Adding to 1210230101 its reverse (1010320121), we get a palindrome (2220550222).

The spelling of 1210230101 in words is "one billion, two hundred ten million, two hundred thirty thousand, one hundred one".