1101221132202 has 48 divisors (see below), whose sum is σ = 2533783224960. Its totient is φ = 344676560256.

The previous prime is 1101221132201. The next prime is 1101221132233. The reversal of 1101221132202 is 2022311221011.

1101221132202 is a `hidden beast` number, since 110 + 1 + 221 + 132 + 202 = 666.

It is a super-2 number, since 2×1101221132202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1101221132201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14208898 + ... + 14286189.

It is an arithmetic number, because the mean of its divisors is an integer number (52787150520).

Almost surely, 2^{1101221132202} is an apocalyptic number.

1101221132202 is an abundant number, since it is smaller than the sum of its proper divisors (1432562092758).

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

1101221132202 is a wasteful number, since it uses less digits than its factorization.

1101221132202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28495227 (or 28495224 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1101221132202 its reverse (2022311221011), we get a palindrome (3123532353213).

The spelling of 1101221132202 in words is "one trillion, one hundred one billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred two".