1111020020211 has 32 divisors (see below), whose sum is σ = 1495969413120. Its totient is φ = 733417784064.

The previous prime is 1111020020171. The next prime is 1111020020213. The reversal of 1111020020211 is 1120200201111.

It is not a de Polignac number, because 1111020020211 - 2⁶ = 1111020020147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111020020213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172864380 + ... + 172870806.

It is an arithmetic number, because the mean of its divisors is an integer number (46749044160).

Almost surely, 2^{1111020020211} is an apocalyptic number.

1111020020211 is a deficient number, since it is larger than the sum of its proper divisors (384949392909).

1111020020211 is a wasteful number, since it uses less digits than its factorization.

1111020020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111020020211 its reverse (1120200201111), we get a palindrome (2231220221322).

The spelling of 1111020020211 in words is "one trillion, one hundred eleven billion, twenty million, twenty thousand, two hundred eleven".