1011220313101 has 8 divisors (see below), whose sum is σ = 1046262413880. Its totient is φ = 976189708032.

The previous prime is 1011220313009. The next prime is 1011220313113. The reversal of 1011220313101 is 1013130221101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 86736140100 + 924484173001 = 294510^2 + 961501^2 .

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 1011220313101 - 2¹⁷ = 1011220182029 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 (1011220317101) 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, 2694760 + ... + 3046993.

It is an arithmetic number, because the mean of its divisors is an integer number (130782801735).

Almost surely, 2^{1011220313101} is an apocalyptic number.

It is an amenable number.

1011220313101 is a deficient number, since it is larger than the sum of its proper divisors (35042100779).

1011220313101 is an equidigital number, since it uses as much as digits as its factorization.

1011220313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747855.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011220313101 its reverse (1013130221101), we get a palindrome (2024350534202).

The spelling of 1011220313101 in words is "one trillion, eleven billion, two hundred twenty million, three hundred thirteen thousand, one hundred one".