1120100121021 has 32 divisors (see below), whose sum is σ = 1807284953088. Its totient is φ = 602385258240.

The previous prime is 1120100121001. The next prime is 1120100121047. The reversal of 1120100121021 is 1201210010211.

It is not a de Polignac number, because 1120100121021 - 2¹⁰ = 1120100119997 is a prime.

It is a super-2 number, since 2×1120100121021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1120100120988 and 1120100121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120100121001) 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, 19114156 + ... + 19172666.

It is an arithmetic number, because the mean of its divisors is an integer number (56477654784).

Almost surely, 2^{1120100121021} is an apocalyptic number.

It is an amenable number.

1120100121021 is a deficient number, since it is larger than the sum of its proper divisors (687184832067).

1120100121021 is a wasteful number, since it uses less digits than its factorization.

1120100121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112161.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1120100121021 its reverse (1201210010211), we get a palindrome (2321310131232).

The spelling of 1120100121021 in words is "one trillion, one hundred twenty billion, one hundred million, one hundred twenty-one thousand, twenty-one".