1100121421030 has 16 divisors (see below), whose sum is σ = 1984019370624. Its totient is φ = 439203943360.

The previous prime is 1100121421019. The next prime is 1100121421031. The reversal of 1100121421030 is 301241210011.

It is a junction number, because it is equal to n+sod(n) for n = 1100121420995 and 1100121421013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100121421031) 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, 105572662 + ... + 105583081.

It is an arithmetic number, because the mean of its divisors is an integer number (124001210664).

Almost surely, 2^{1100121421030} is an apocalyptic number.

1100121421030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100121421030 is a deficient number, since it is larger than the sum of its proper divisors (883897949594).

1100121421030 is a wasteful number, since it uses less digits than its factorization.

1100121421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211156271.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1100121421030 its reverse (301241210011), we get a palindrome (1401362631041).

The spelling of 1100121421030 in words is "one trillion, one hundred billion, one hundred twenty-one million, four hundred twenty-one thousand, thirty".