10102021121111 has 2 divisors, whose sum is σ = 10102021121112. Its totient is φ = 10102021121110.

The previous prime is 10102021121069. The next prime is 10102021121123. The reversal of 10102021121111 is 11112112020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10102021121111 - 2¹⁴ = 10102021104727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10102021121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051010560555 + 5051010560556.

It is an arithmetic number, because the mean of its divisors is an integer number (5051010560556).

Almost surely, 2^{10102021121111} is an apocalyptic number.

10102021121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102021121111 is an equidigital number, since it uses as much as digits as its factorization.

10102021121111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10102021121111 its reverse (11112112020101), we get a palindrome (21214133141212).

The spelling of 10102021121111 in words is "ten trillion, one hundred two billion, twenty-one million, one hundred twenty-one thousand, one hundred eleven".