111021201201010 has 32 divisors (see below), whose sum is σ = 208651719778560. Its totient is φ = 42452225859648.

The previous prime is 111021201200999. The next prime is 111021201201013. The reversal of 111021201201010 is 10102102120111.

It is a happy number.

It is a super-2 number, since 2×111021201201010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111021201201013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144223942 + ... + 144991681.

It is an arithmetic number, because the mean of its divisors is an integer number (6520366243080).

Almost surely, 2^{111021201201010} is an apocalyptic number.

111021201201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111021201201010 is a deficient number, since it is larger than the sum of its proper divisors (97630518577550).

111021201201010 is a wasteful number, since it uses less digits than its factorization.

111021201201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289217322.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111021201201010 its reverse (10102102120111), we get a palindrome (121123303321121).

The spelling of 111021201201010 in words is "one hundred eleven trillion, twenty-one billion, two hundred one million, two hundred one thousand, ten".