1121201100102 has 16 divisors (see below), whose sum is σ = 2257451881200. Its totient is φ = 371225419872.

The previous prime is 1121201100101. The next prime is 1121201100209. The reversal of 1121201100102 is 2010011021211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121201100101) 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, 627069073 + ... + 627070860.

It is an arithmetic number, because the mean of its divisors is an integer number (141090742575).

Almost surely, 2^{1121201100102} is an apocalyptic number.

1121201100102 is an abundant number, since it is smaller than the sum of its proper divisors (1136250781098).

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

1121201100102 is a wasteful number, since it uses less digits than its factorization.

1121201100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254140087.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121201100102 its reverse (2010011021211), we get a palindrome (3131212121313).

The spelling of 1121201100102 in words is "one trillion, one hundred twenty-one billion, two hundred one million, one hundred thousand, one hundred two".