1121010201123 has 32 divisors (see below), whose sum is σ = 1506548252160. Its totient is φ = 741430609920.

The previous prime is 1121010200953. The next prime is 1121010201127. The reversal of 1121010201123 is 3211020101211.

It is not a de Polignac number, because 1121010201123 - 2¹⁰ = 1121010200099 is a prime.

It is a super-2 number, since 2×1121010201123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121010201127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541811533 + ... + 541813601.

It is an arithmetic number, because the mean of its divisors is an integer number (47079632880).

Almost surely, 2^{1121010201123} is an apocalyptic number.

1121010201123 is a deficient number, since it is larger than the sum of its proper divisors (385538051037).

1121010201123 is a wasteful number, since it uses less digits than its factorization.

1121010201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1121010201123 its reverse (3211020101211), we get a palindrome (4332030302334).

The spelling of 1121010201123 in words is "one trillion, one hundred twenty-one billion, ten million, two hundred one thousand, one hundred twenty-three".