1301211101 has 8 divisors (see below), whose sum is σ = 1311578424. Its totient is φ = 1290885120.

The previous prime is 1301211097. The next prime is 1301211103. The reversal of 1301211101 is 1011121031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22791076 + 1278420025 = 4774^2 + 35755^2 .

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 1301211101 - 2² = 1301211097 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 (1301211103) 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, 54461 + ... + 74621.

It is an arithmetic number, because the mean of its divisors is an integer number (163947303).

Almost surely, 2^1301211101 is an apocalyptic number.

It is an amenable number.

1301211101 is a deficient number, since it is larger than the sum of its proper divisors (10367323).

1301211101 is a wasteful number, since it uses less digits than its factorization.

1301211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20671.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 1301211101 is about 36072.3037939081. The cubic root of 1301211101 is about 1091.7316976145.

Adding to 1301211101 its reverse (1011121031), we get a palindrome (2312332132).

The spelling of 1301211101 in words is "one billion, three hundred one million, two hundred eleven thousand, one hundred one".