11222120101 has 2 divisors, whose sum is σ = 11222120102. Its totient is φ = 11222120100.

The previous prime is 11222120099. The next prime is 11222120131. The reversal of 11222120101 is 10102122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6868099876 + 4354020225 = 82874^2 + 65985^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222120101 - 2¹ = 11222120099 is a prime.

It is a super-2 number, since 2×11222120101² (a number of 21 digits) contains 22 as substring.

Together with 11222120099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222120131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611060050 + 5611060051.

It is an arithmetic number, because the mean of its divisors is an integer number (5611060051).

Almost surely, 2^11222120101 is an apocalyptic number.

It is an amenable number.

11222120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222120101 is an equidigital number, since it uses as much as digits as its factorization.

11222120101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11222120101 its reverse (10102122211), we get a palindrome (21324242312).

The spelling of 11222120101 in words is "eleven billion, two hundred twenty-two million, one hundred twenty thousand, one hundred one".