22111010021011 has 2 divisors, whose sum is σ = 22111010021012. Its totient is φ = 22111010021010.

The previous prime is 22111010020943. The next prime is 22111010021017. The reversal of 22111010021011 is 11012001011122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111010021011 - 2¹¹ = 22111010018963 is a prime.

It is a super-2 number, since 2×22111010021011² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111010020982 and 22111010021000.

It is not a weakly prime, because it can be changed into another prime (22111010021017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055505010505 + 11055505010506.

It is an arithmetic number, because the mean of its divisors is an integer number (11055505010506).

Almost surely, 2^{22111010021011} is an apocalyptic number.

22111010021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111010021011 is an equidigital number, since it uses as much as digits as its factorization.

22111010021011 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 22111010021011 its reverse (11012001011122), we get a palindrome (33123011032133).

The spelling of 22111010021011 in words is "twenty-two trillion, one hundred eleven billion, ten million, twenty-one thousand, eleven".