1121022021102 has 32 divisors (see below), whose sum is σ = 2377877091840. Its totient is φ = 351567844320.

The previous prime is 1121022021047. The next prime is 1121022021107. The reversal of 1121022021102 is 2011202201211.

It is a super-2 number, since 2×1121022021102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121022021107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66576402 + ... + 66593237.

It is an arithmetic number, because the mean of its divisors is an integer number (74308659120).

Almost surely, 2^{1121022021102} is an apocalyptic number.

1121022021102 is an abundant number, since it is smaller than the sum of its proper divisors (1256855070738).

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

1121022021102 is a wasteful number, since it uses less digits than its factorization.

1121022021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133169728.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121022021102 its reverse (2011202201211), we get a palindrome (3132224222313).

The spelling of 1121022021102 in words is "one trillion, one hundred twenty-one billion, twenty-two million, twenty-one thousand, one hundred two".