121031011101 has 48 divisors (see below), whose sum is σ = 217861470720. Its totient is φ = 58036829760.

The previous prime is 121031011093. The next prime is 121031011109. The reversal of 121031011101 is 101110130121.

It is an interprime number because it is at equal distance from previous prime (121031011093) and next prime (121031011109).

It is not a de Polignac number, because 121031011101 - 2³ = 121031011093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031011109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1511091 + ... + 1589168.

It is an arithmetic number, because the mean of its divisors is an integer number (4538780640).

Almost surely, 2^121031011101 is an apocalyptic number.

121031011101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121031011101 is a deficient number, since it is larger than the sum of its proper divisors (96830459619).

121031011101 is a wasteful number, since it uses less digits than its factorization.

121031011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100306 (or 3100293 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 121031011101 its reverse (101110130121), we get a palindrome (222141141222).

The spelling of 121031011101 in words is "one hundred twenty-one billion, thirty-one million, eleven thousand, one hundred one".