1121542230102 has 32 divisors (see below), whose sum is σ = 2565100868352. Its totient is φ = 320243665824.

The previous prime is 1121542230073. The next prime is 1121542230121. The reversal of 1121542230102 is 2010322451211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8137993 + ... + 8274660.

It is an arithmetic number, because the mean of its divisors is an integer number (80159402136).

Almost surely, 2^{1121542230102} is an apocalyptic number.

1121542230102 is an abundant number, since it is smaller than the sum of its proper divisors (1443558638250).

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

1121542230102 is a wasteful number, since it uses less digits than its factorization.

1121542230102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414292.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1121542230102 its reverse (2010322451211), we get a palindrome (3131864681313).

The spelling of 1121542230102 in words is "one trillion, one hundred twenty-one billion, five hundred forty-two million, two hundred thirty thousand, one hundred two".