1202220022111 has 2 divisors, whose sum is σ = 1202220022112. Its totient is φ = 1202220022110.

The previous prime is 1202220022109. The next prime is 1202220022139. The reversal of 1202220022111 is 1112200222021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202220022111 - 2¹ = 1202220022109 is a prime.

Together with 1202220022109, 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 (1202220022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601110011055 + 601110011056.

It is an arithmetic number, because the mean of its divisors is an integer number (601110011056).

Almost surely, 2^{1202220022111} is an apocalyptic number.

1202220022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202220022111 is an equidigital number, since it uses as much as digits as its factorization.

1202220022111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202220022111 its reverse (1112200222021), we get a palindrome (2314420244132).

The spelling of 1202220022111 in words is "one trillion, two hundred two billion, two hundred twenty million, twenty-two thousand, one hundred eleven".