1100121220102 has 16 divisors (see below), whose sum is σ = 1653604123824. Its totient is φ = 548920944000.

The previous prime is 1100121220091. The next prime is 1100121220117. The reversal of 1100121220102 is 2010221210011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736977 + ... + 2284147.

It is an arithmetic number, because the mean of its divisors is an integer number (103350257739).

Almost surely, 2^{1100121220102} is an apocalyptic number.

1100121220102 is a deficient number, since it is larger than the sum of its proper divisors (553482903722).

1100121220102 is a wasteful number, since it uses less digits than its factorization.

1100121220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549255.

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

Adding to 1100121220102 its reverse (2010221210011), we get a palindrome (3110342430113).

The spelling of 1100121220102 in words is "one trillion, one hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".