1100121020012 has 36 divisors (see below), whose sum is σ = 2241663354504. Its totient is φ = 471031747200.

The previous prime is 1100121019973. The next prime is 1100121020059. The reversal of 1100121020012 is 2100201210011.

It is a junction number, because it is equal to n+sod(n) for n = 1100121019975 and 1100121020002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2464253 + ... + 2876244.

It is an arithmetic number, because the mean of its divisors is an integer number (62268426514).

Almost surely, 2^{1100121020012} is an apocalyptic number.

It is an amenable number.

1100121020012 is an abundant number, since it is smaller than the sum of its proper divisors (1141542334492).

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

1100121020012 is a wasteful number, since it uses less digits than its factorization.

1100121020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341566 (or 5341557 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1100121020012 its reverse (2100201210011), we get a palindrome (3200322230023).

The spelling of 1100121020012 in words is "one trillion, one hundred billion, one hundred twenty-one million, twenty thousand, twelve".