10212102031111 has 16 divisors (see below), whose sum is σ = 11382387528960. Its totient is φ = 9105144992640.

The previous prime is 10212102031097. The next prime is 10212102031141. The reversal of 10212102031111 is 11113020121201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10212102031111 - 2⁷ = 10212102030983 is a prime.

It is a super-2 number, since 2×10212102031111² (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 (10212102031141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7179816 + ... + 8483746.

It is an arithmetic number, because the mean of its divisors is an integer number (711399220560).

Almost surely, 2^{10212102031111} is an apocalyptic number.

10212102031111 is a deficient number, since it is larger than the sum of its proper divisors (1170285497849).

10212102031111 is a wasteful number, since it uses less digits than its factorization.

10212102031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328214.

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

Adding to 10212102031111 its reverse (11113020121201), we get a palindrome (21325122152312).

The spelling of 10212102031111 in words is "ten trillion, two hundred twelve billion, one hundred two million, thirty-one thousand, one hundred eleven".