1101121222103 has 4 divisors (see below), whose sum is σ = 1258424253840. Its totient is φ = 943818190368.

The previous prime is 1101121222087. The next prime is 1101121222109. The reversal of 1101121222103 is 3012221211011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101121222103 - 2⁴ = 1101121222087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101121222109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78651515858 + ... + 78651515871.

It is an arithmetic number, because the mean of its divisors is an integer number (314606063460).

Almost surely, 2^{1101121222103} is an apocalyptic number.

1101121222103 is a deficient number, since it is larger than the sum of its proper divisors (157303031737).

1101121222103 is an equidigital number, since it uses as much as digits as its factorization.

1101121222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157303031736.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1101121222103 its reverse (3012221211011), we get a palindrome (4113342433114).

The spelling of 1101121222103 in words is "one trillion, one hundred one billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred three".