111020120001010 has 16 divisors (see below), whose sum is σ = 218003144729472. Its totient is φ = 40370952727600.

The previous prime is 111020120000981. The next prime is 111020120001013. The reversal of 111020120001010 is 10100021020111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (111020120001013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504636908986 + ... + 504636909205.

It is an arithmetic number, because the mean of its divisors is an integer number (13625196545592).

Almost surely, 2^{111020120001010} is an apocalyptic number.

111020120001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020120001010 is a deficient number, since it is larger than the sum of its proper divisors (106983024728462).

111020120001010 is a wasteful number, since it uses less digits than its factorization.

111020120001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009273818209.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111020120001010 its reverse (10100021020111), we get a palindrome (121120141021121).

The spelling of 111020120001010 in words is "one hundred eleven trillion, twenty billion, one hundred twenty million, one thousand, ten".