111021210201121 has 8 divisors (see below), whose sum is σ = 121151860221024. Its totient is φ = 100896862302720.

The previous prime is 111021210201079. The next prime is 111021210201133. The reversal of 111021210201121 is 121102012120111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111021210201121 - 2²⁹ = 111020673330209 is a prime.

It is a super-2 number, since 2×111021210201121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111021210201095 and 111021210201104.

It is not an unprimeable number, because it can be changed into a prime (111021210201821) 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, 1575493536 + ... + 1575564001.

It is an arithmetic number, because the mean of its divisors is an integer number (15143982527628).

Almost surely, 2^{111021210201121} is an apocalyptic number.

111021210201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111021210201121 is a deficient number, since it is larger than the sum of its proper divisors (10130650019903).

111021210201121 is a wasteful number, since it uses less digits than its factorization.

111021210201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151060751.

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

Adding to 111021210201121 its reverse (121102012120111), we get a palindrome (232123222321232).

The spelling of 111021210201121 in words is "one hundred eleven trillion, twenty-one billion, two hundred ten million, two hundred one thousand, one hundred twenty-one".