121131322111030 has 64 divisors (see below), whose sum is σ = 275112715949568. Its totient is φ = 37300335125760.

The previous prime is 121131322111013. The next prime is 121131322111031. The reversal of 121131322111030 is 30111223131121.

It is a super-2 number, since 2×121131322111030² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 121131322110992 and 121131322111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121131322111031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947607207 + ... + 947735026.

It is an arithmetic number, because the mean of its divisors is an integer number (4298636186712).

Almost surely, 2^{121131322111030} is an apocalyptic number.

121131322111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121131322111030 is an abundant number, since it is smaller than the sum of its proper divisors (153981393838538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121131322111030 is a wasteful number, since it uses less digits than its factorization.

121131322111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895342341.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121131322111030 its reverse (30111223131121), we get a palindrome (151242545242151).

The spelling of 121131322111030 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred twenty-two million, one hundred eleven thousand, thirty".