1310221101 has 16 divisors (see below), whose sum is σ = 2014199424. Its totient is φ = 742070784.

The previous prime is 1310221069. The next prime is 1310221103. The reversal of 1310221101 is 1011220131.

It is not a de Polignac number, because 1310221101 - 2⁵ = 1310221069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310221103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273696 + ... + 278441.

It is an arithmetic number, because the mean of its divisors is an integer number (125887464).

Almost surely, 2^1310221101 is an apocalyptic number.

It is an amenable number.

1310221101 is a deficient number, since it is larger than the sum of its proper divisors (703978323).

1310221101 is a wasteful number, since it uses less digits than its factorization.

1310221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552260.

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

The square root of 1310221101 is about 36196.9764068769. The cubic root of 1310221101 is about 1094.2457364799.

Adding to 1310221101 its reverse (1011220131), we get a palindrome (2321441232).

The spelling of 1310221101 in words is "one billion, three hundred ten million, two hundred twenty-one thousand, one hundred one".