1121210101101 has 16 divisors (see below), whose sum is σ = 1509273368064. Its totient is φ = 740344148544.

The previous prime is 1121210101079. The next prime is 1121210101133. The reversal of 1121210101101 is 1011010121211.

It is not a de Polignac number, because 1121210101101 - 2¹⁴ = 1121210084717 is a prime.

It is a super-2 number, since 2×1121210101101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121210101801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4121886 + ... + 4385471.

It is an arithmetic number, because the mean of its divisors is an integer number (94329585504).

Almost surely, 2^{1121210101101} is an apocalyptic number.

It is an amenable number.

1121210101101 is a deficient number, since it is larger than the sum of its proper divisors (388063266963).

1121210101101 is a wasteful number, since it uses less digits than its factorization.

1121210101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507780.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1121210101101 its reverse (1011010121211), we get a palindrome (2132220222312).

The spelling of 1121210101101 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred one thousand, one hundred one".