101120211001 has 4 divisors (see below), whose sum is σ = 101121210000. Its totient is φ = 101119212004.

The previous prime is 101120210957. The next prime is 101120211043. The reversal of 101120211001 is 100112021101.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 101120211001 - 2³¹ = 98972727353 is a prime.

It is a super-2 number, since 2×101120211001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101120211301) 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, 328051 + ... + 556648.

It is an arithmetic number, because the mean of its divisors is an integer number (25280302500).

Almost surely, 2^101120211001 is an apocalyptic number.

It is an amenable number.

101120211001 is a deficient number, since it is larger than the sum of its proper divisors (998999).

101120211001 is an equidigital number, since it uses as much as digits as its factorization.

101120211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998998.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101120211001 its reverse (100112021101), we get a palindrome (201232232102).

It can be divided in two parts, 10112021100 and 1, that added together give a palindrome (10112021101).

The spelling of 101120211001 in words is "one hundred one billion, one hundred twenty million, two hundred eleven thousand, one".