1111211220202 has 32 divisors (see below), whose sum is σ = 1702458777600. Its totient is φ = 543811900848.

The previous prime is 1111211220191. The next prime is 1111211220209. The reversal of 1111211220202 is 2020221121111.

It is not an unprimeable number, because it can be changed into a prime (1111211220209) 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, 27387943 + ... + 27428485.

It is an arithmetic number, because the mean of its divisors is an integer number (53201836800).

Almost surely, 2^{1111211220202} is an apocalyptic number.

1111211220202 is a deficient number, since it is larger than the sum of its proper divisors (591247557398).

1111211220202 is a wasteful number, since it uses less digits than its factorization.

1111211220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41610.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1111211220202 its reverse (2020221121111), we get a palindrome (3131432341313).

Subtracting 1111211220202 from its reverse (2020221121111), we obtain a palindrome (909009900909).

The spelling of 1111211220202 in words is "one trillion, one hundred eleven billion, two hundred eleven million, two hundred twenty thousand, two hundred two".