1122212110020 has 48 divisors (see below), whose sum is σ = 3327028846848. Its totient is φ = 281653235200.

The previous prime is 1122212110013. The next prime is 1122212110027. The reversal of 1122212110020 is 200112122211.

It is an interprime number because it is at equal distance from previous prime (1122212110013) and next prime (1122212110027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1122212110027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550102956 + ... + 550104995.

It is an arithmetic number, because the mean of its divisors is an integer number (69313100976).

Almost surely, 2^{1122212110020} is an apocalyptic number.

1122212110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122212110020 is an abundant number, since it is smaller than the sum of its proper divisors (2204816736828).

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

1122212110020 is a wasteful number, since it uses less digits than its factorization.

1122212110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100207980 (or 1100207978 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122212110020 its reverse (200112122211), we get a palindrome (1322324232231).

The spelling of 1122212110020 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred ten thousand, twenty".