1120021111121 has 8 divisors (see below), whose sum is σ = 1234437514464. Its totient is φ = 1007704091520.

The previous prime is 1120021111103. The next prime is 1120021111133. The reversal of 1120021111121 is 1211111200211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120021111121 - 2²⁶ = 1119954002257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120021111096 and 1120021111105.

It is not an unprimeable number, because it can be changed into a prime (1120021111171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524844815 + ... + 524846948.

It is an arithmetic number, because the mean of its divisors is an integer number (154304689308).

Almost surely, 2^{1120021111121} is an apocalyptic number.

1120021111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120021111121 is a deficient number, since it is larger than the sum of its proper divisors (114416403343).

1120021111121 is a wasteful number, since it uses less digits than its factorization.

1120021111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049691871.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1120021111121 its reverse (1211111200211), we get a palindrome (2331132311332).

The spelling of 1120021111121 in words is "one trillion, one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred twenty-one".