101201331011 has 4 divisors (see below), whose sum is σ = 110401452024. Its totient is φ = 92001210000.

The previous prime is 101201330983. The next prime is 101201331013. The reversal of 101201331011 is 110133102101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101201331011 - 2³⁰ = 100127589187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101201331013) 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, 4600060490 + ... + 4600060511.

It is an arithmetic number, because the mean of its divisors is an integer number (27600363006).

Almost surely, 2^101201331011 is an apocalyptic number.

101201331011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101201331011 is a deficient number, since it is larger than the sum of its proper divisors (9200121013).

101201331011 is an equidigital number, since it uses as much as digits as its factorization.

101201331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200121012.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101201331011 its reverse (110133102101), we get a palindrome (211334433112).

It can be divided in two parts, 10 and 1201331011, that added together give a palindrome (1201331021).

The spelling of 101201331011 in words is "one hundred one billion, two hundred one million, three hundred thirty-one thousand, eleven".