1100202101121 has 24 divisors (see below), whose sum is σ = 1504344740224. Its totient is φ = 715212257760.

The previous prime is 1100202101099. The next prime is 1100202101137. The reversal of 1100202101121 is 1211012020011.

It is not a de Polignac number, because 1100202101121 - 2⁷ = 1100202100993 is a prime.

It is a super-2 number, since 2×1100202101121² (a number of 25 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 = 1100202101097 and 1100202101106.

It is not an unprimeable number, because it can be changed into a prime (1100202108121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1489611 + ... + 2102223.

Almost surely, 2^{1100202101121} is an apocalyptic number.

It is an amenable number.

1100202101121 is a deficient number, since it is larger than the sum of its proper divisors (404142639103).

1100202101121 is an equidigital number, since it uses as much as digits as its factorization.

1100202101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612981 (or 612934 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100202101121 its reverse (1211012020011), we get a palindrome (2311214121132).

The spelling of 1100202101121 in words is "one trillion, one hundred billion, two hundred two million, one hundred one thousand, one hundred twenty-one".