10121210211031 has 2 divisors, whose sum is σ = 10121210211032. Its totient is φ = 10121210211030.

The previous prime is 10121210210963. The next prime is 10121210211107. The reversal of 10121210211031 is 13011201212101.

It is a happy number.

10121210211031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13011201212101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10121210211031 - 2¹⁵ = 10121210178263 is a prime.

It is a super-2 number, since 2×10121210211031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121210210996 and 10121210211014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121210211331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060605105515 + 5060605105516.

It is an arithmetic number, because the mean of its divisors is an integer number (5060605105516).

Almost surely, 2^{10121210211031} is an apocalyptic number.

10121210211031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121210211031 is an equidigital number, since it uses as much as digits as its factorization.

10121210211031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10121210211031 its reverse (13011201212101), we get a palindrome (23132411423132).

The spelling of 10121210211031 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, two hundred eleven thousand, thirty-one".