221053151102011 has 2 divisors, whose sum is σ = 221053151102012. Its totient is φ = 221053151102010.

The previous prime is 221053151101999. The next prime is 221053151102027. The reversal of 221053151102011 is 110201151350122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221053151102011 - 2¹⁵ = 221053151069243 is a prime.

It is a super-2 number, since 2×221053151102011² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221053151102041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110526575551005 + 110526575551006.

It is an arithmetic number, because the mean of its divisors is an integer number (110526575551006).

Almost surely, 2^{221053151102011} is an apocalyptic number.

221053151102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221053151102011 is an equidigital number, since it uses as much as digits as its factorization.

221053151102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 221053151102011 in words is "two hundred twenty-one trillion, fifty-three billion, one hundred fifty-one million, one hundred two thousand, eleven".