1121021102122 has 16 divisors (see below), whose sum is σ = 1770058625760. Its totient is φ = 531002403792.

The previous prime is 1121021102119. The next prime is 1121021102161. The reversal of 1121021102122 is 2212011201211.

It is a super-2 number, since 2×1121021102122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121021102096 and 1121021102105.

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, 3197248 + ... + 3530500.

It is an arithmetic number, because the mean of its divisors is an integer number (110628664110).

Almost surely, 2^{1121021102122} is an apocalyptic number.

1121021102122 is a deficient number, since it is larger than the sum of its proper divisors (649037523638).

1121021102122 is a wasteful number, since it uses less digits than its factorization.

1121021102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421797.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121021102122 its reverse (2212011201211), we get a palindrome (3333032303333).

The spelling of 1121021102122 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred two thousand, one hundred twenty-two".