12101011002031 has 16 divisors (see below), whose sum is σ = 13833203077120. Its totient is φ = 10369688415840.

The previous prime is 12101011002029. The next prime is 12101011002037. The reversal of 12101011002031 is 13020011010121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12101011002031 - 2¹ = 12101011002029 is a prime.

It is a super-2 number, since 2×12101011002031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101011002037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877577485 + ... + 877591273.

It is an arithmetic number, because the mean of its divisors is an integer number (864575192320).

Almost surely, 2^{12101011002031} is an apocalyptic number.

12101011002031 is a deficient number, since it is larger than the sum of its proper divisors (1732192075089).

12101011002031 is a wasteful number, since it uses less digits than its factorization.

12101011002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36214.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12101011002031 its reverse (13020011010121), we get a palindrome (25121022012152).

The spelling of 12101011002031 in words is "twelve trillion, one hundred one billion, eleven million, two thousand, thirty-one".