1100120021122 has 8 divisors (see below), whose sum is σ = 1650197304396. Its totient is φ = 550054252992.

The previous prime is 1100120021081. The next prime is 1100120021131. The reversal of 1100120021122 is 2211200210011.

It can be written as a sum of positive squares in 2 ways, for example, as 1099706671561 + 413349561 = 1048669^2 + 20331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1100120021122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2635843 + ... + 3024550.

Almost surely, 2^{1100120021122} is an apocalyptic number.

1100120021122 is a deficient number, since it is larger than the sum of its proper divisors (550077283274).

1100120021122 is an equidigital number, since it uses as much as digits as its factorization.

1100120021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757572.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1100120021122 its reverse (2211200210011), we get a palindrome (3311320231133).

The spelling of 1100120021122 in words is "one trillion, one hundred billion, one hundred twenty million, twenty-one thousand, one hundred twenty-two".