1101111012210 has 48 divisors (see below), whose sum is σ = 2904749059968. Its totient is φ = 266936002080.

The previous prime is 1101111012137. The next prime is 1101111012217. The reversal of 1101111012210 is 122101111011.

It is a super-2 number, since 2×1101111012210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101111012217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151664554 + ... + 151671813.

It is an arithmetic number, because the mean of its divisors is an integer number (60515605416).

Almost surely, 2^{1101111012210} is an apocalyptic number.

1101111012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101111012210 is an abundant number, since it is smaller than the sum of its proper divisors (1803638047758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101111012210 is a wasteful number, since it uses less digits than its factorization.

1101111012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303336399 (or 303336388 counting only the distinct ones).

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

Adding to 1101111012210 its reverse (122101111011), we get a palindrome (1223212123221).

The spelling of 1101111012210 in words is "one trillion, one hundred one billion, one hundred eleven million, twelve thousand, two hundred ten".