1021100022110 has 128 divisors (see below), whose sum is σ = 2189037312000. Its totient is φ = 335529976320.

The previous prime is 1021100022097. The next prime is 1021100022119. The reversal of 1021100022110 is 112200011201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021100022091 and 1021100022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021100022119) 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, 186227429 + ... + 186232911.

It is an arithmetic number, because the mean of its divisors is an integer number (17101854000).

Almost surely, 2^{1021100022110} is an apocalyptic number.

1021100022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021100022110 is an abundant number, since it is smaller than the sum of its proper divisors (1167937289890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021100022110 is a wasteful number, since it uses less digits than its factorization.

1021100022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021100022110 its reverse (112200011201), we get a palindrome (1133300033311).

The spelling of 1021100022110 in words is "one trillion, twenty-one billion, one hundred million, twenty-two thousand, one hundred ten".