1121121021102 has 8 divisors (see below), whose sum is σ = 2242242042216. Its totient is φ = 373707007032.

The previous prime is 1121121021071. The next prime is 1121121021131. The reversal of 1121121021102 is 2011201211211.

It is a happy number.

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

1121121021102 is an admirable number.

It is a super-2 number, since 2×1121121021102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93426751753 + ... + 93426751764.

It is an arithmetic number, because the mean of its divisors is an integer number (280280255277).

Almost surely, 2^{1121121021102} is an apocalyptic number.

1121121021102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1121121021102 is a wasteful number, since it uses less digits than its factorization.

1121121021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186853503522.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121121021102 its reverse (2011201211211), we get a palindrome (3132322232313).

The spelling of 1121121021102 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, twenty-one thousand, one hundred two".