1020110132221 has 16 divisors (see below), whose sum is σ = 1100251722240. Its totient is φ = 942674226480.

The previous prime is 1020110132191. The next prime is 1020110132263. The reversal of 1020110132221 is 1222310110201.

It is a cyclic number.

It is not a de Polignac number, because 1020110132221 - 2⁹ = 1020110131709 is a prime.

It is a super-2 number, since 2×1020110132221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020110132195 and 1020110132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110132521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233215 + ... + 1447276.

It is an arithmetic number, because the mean of its divisors is an integer number (68765732640).

Almost surely, 2^{1020110132221} is an apocalyptic number.

It is an amenable number.

1020110132221 is a deficient number, since it is larger than the sum of its proper divisors (80141590019).

1020110132221 is a wasteful number, since it uses less digits than its factorization.

1020110132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681296.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1020110132221 its reverse (1222310110201), we get a palindrome (2242420242422).

The spelling of 1020110132221 in words is "one trillion, twenty billion, one hundred ten million, one hundred thirty-two thousand, two hundred twenty-one".