1101120020101 has 16 divisors (see below), whose sum is σ = 1114460424000. Its totient is φ = 1087871040000.

The previous prime is 1101120019999. The next prime is 1101120020171. The reversal of 1101120020101 is 1010200211011.

It is a cyclic number.

It is not a de Polignac number, because 1101120020101 - 2⁹ = 1101120019589 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 (1101120020171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27617941 + ... + 27657781.

It is an arithmetic number, because the mean of its divisors is an integer number (69653776500).

Almost surely, 2^{1101120020101} is an apocalyptic number.

It is an amenable number.

1101120020101 is a deficient number, since it is larger than the sum of its proper divisors (13340403899).

1101120020101 is a wasteful number, since it uses less digits than its factorization.

1101120020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40980.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1101120020101 its reverse (1010200211011), we get a palindrome (2111320231112).

The spelling of 1101120020101 in words is "one trillion, one hundred one billion, one hundred twenty million, twenty thousand, one hundred one".