110202211122021 has 48 divisors (see below), whose sum is σ = 164163370113600. Its totient is φ = 71185668390144.

The previous prime is 110202211121993. The next prime is 110202211122037. The reversal of 110202211122021 is 120221112202011.

110202211122021 is a `hidden beast` number, since 1 + 10 + 202 + 211 + 1 + 220 + 21 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-110202211122021 is a prime.

It is a super-2 number, since 2×110202211122021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110202211121985 and 110202211122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202211122721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82507905 + ... + 83832921.

It is an arithmetic number, because the mean of its divisors is an integer number (3420070210700).

Almost surely, 2^{110202211122021} is an apocalyptic number.

It is an amenable number.

110202211122021 is a deficient number, since it is larger than the sum of its proper divisors (53961158991579).

110202211122021 is a wasteful number, since it uses less digits than its factorization.

110202211122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326098 (or 1326095 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110202211122021 its reverse (120221112202011), we get a palindrome (230423323324032).

The spelling of 110202211122021 in words is "one hundred ten trillion, two hundred two billion, two hundred eleven million, one hundred twenty-two thousand, twenty-one".