1101210110111 has 2 divisors, whose sum is σ = 1101210110112. Its totient is φ = 1101210110110.

The previous prime is 1101210110101. The next prime is 1101210110159. The reversal of 1101210110111 is 1110110121011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101210110111 - 2²² = 1101205915807 is a prime.

It is a super-2 number, since 2×1101210110111² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101210110092 and 1101210110101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101210110101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550605055055 + 550605055056.

It is an arithmetic number, because the mean of its divisors is an integer number (550605055056).

Almost surely, 2^{1101210110111} is an apocalyptic number.

1101210110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101210110111 is an equidigital number, since it uses as much as digits as its factorization.

1101210110111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1101210110111 its reverse (1110110121011), we get a palindrome (2211320231122).

The spelling of 1101210110111 in words is "one trillion, one hundred one billion, two hundred ten million, one hundred ten thousand, one hundred eleven".