1101120010221 has 64 divisors (see below), whose sum is σ = 1837958234112. Its totient is φ = 569662200000.

The previous prime is 1101120010187. The next prime is 1101120010229. The reversal of 1101120010221 is 1220100211011.

It is not a de Polignac number, because 1101120010221 - 2¹⁸ = 1101119748077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101120010197 and 1101120010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101120010229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88430046 + ... + 88442496.

It is an arithmetic number, because the mean of its divisors is an integer number (28718097408).

Almost surely, 2^{1101120010221} is an apocalyptic number.

1101120010221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101120010221 is a deficient number, since it is larger than the sum of its proper divisors (736838223891).

1101120010221 is a wasteful number, since it uses less digits than its factorization.

1101120010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014.

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

Adding to 1101120010221 its reverse (1220100211011), we get a palindrome (2321220221232).

The spelling of 1101120010221 in words is "one trillion, one hundred one billion, one hundred twenty million, ten thousand, two hundred twenty-one".