1101000112121 has 32 divisors (see below), whose sum is σ = 1364587660800. Its totient is φ = 865011571200.

The previous prime is 1101000112117. The next prime is 1101000112123. The reversal of 1101000112121 is 1212110001011.

It is not a de Polignac number, because 1101000112121 - 2² = 1101000112117 is a prime.

It is a super-2 number, since 2×1101000112121² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1101000112123) 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, 38309285 + ... + 38338013.

It is an arithmetic number, because the mean of its divisors is an integer number (42643364400).

Almost surely, 2^{1101000112121} is an apocalyptic number.

It is an amenable number.

1101000112121 is a deficient number, since it is larger than the sum of its proper divisors (263587548679).

1101000112121 is a wasteful number, since it uses less digits than its factorization.

1101000112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31689.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1101000112121 its reverse (1212110001011), we get a palindrome (2313110113132).

It can be divided in two parts, 1101000 and 112121, that added together give a palindrome (1213121).

The spelling of 1101000112121 in words is "one trillion, one hundred one billion, one hundred twelve thousand, one hundred twenty-one".