10101022121011 has 2 divisors, whose sum is σ = 10101022121012. Its totient is φ = 10101022121010.

The previous prime is 10101022120939. The next prime is 10101022121051. The reversal of 10101022121011 is 11012122010101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101022121011 - 2¹⁷ = 10101021989939 is a prime.

It is a super-2 number, since 2×10101022121011² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10101022120982 and 10101022121000.

It is not a weakly prime, because it can be changed into another prime (10101022121051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050511060505 + 5050511060506.

It is an arithmetic number, because the mean of its divisors is an integer number (5050511060506).

Almost surely, 2^{10101022121011} is an apocalyptic number.

10101022121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101022121011 is an equidigital number, since it uses as much as digits as its factorization.

10101022121011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101022121011 its reverse (11012122010101), we get a palindrome (21113144131112).

The spelling of 10101022121011 in words is "ten trillion, one hundred one billion, twenty-two million, one hundred twenty-one thousand, eleven".