111020011001211 has 48 divisors (see below), whose sum is σ = 165733311461760. Its totient is φ = 66030732368640.

The previous prime is 111020011001197. The next prime is 111020011001369. The reversal of 111020011001211 is 112100110020111.

It is not a de Polignac number, because 111020011001211 - 2⁶ = 111020011001147 is a prime.

It is a super-2 number, since 2×111020011001211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111020011000211) 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, 22732981 + ... + 27181398.

It is an arithmetic number, because the mean of its divisors is an integer number (3452777322120).

Almost surely, 2^{111020011001211} is an apocalyptic number.

111020011001211 is a deficient number, since it is larger than the sum of its proper divisors (54713300460549).

111020011001211 is a wasteful number, since it uses less digits than its factorization.

111020011001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49914556 (or 49914543 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111020011001211 its reverse (112100110020111), we get a palindrome (223120121021322).

The spelling of 111020011001211 in words is "one hundred eleven trillion, twenty billion, eleven million, one thousand, two hundred eleven".