1202121012110 has 16 divisors (see below), whose sum is σ = 2165309107632. Its totient is φ = 480517008000.

The previous prime is 1202121012091. The next prime is 1202121012119. The reversal of 1202121012110 is 112101212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202121012119) 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, 41409371 + ... + 41438390.

It is an arithmetic number, because the mean of its divisors is an integer number (135331819227).

Almost surely, 2^{1202121012110} is an apocalyptic number.

1202121012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202121012110 is a deficient number, since it is larger than the sum of its proper divisors (963188095522).

1202121012110 is a wasteful number, since it uses less digits than its factorization.

1202121012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82849219.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1202121012110 its reverse (112101212021), we get a palindrome (1314222224131).

The spelling of 1202121012110 in words is "one trillion, two hundred two billion, one hundred twenty-one million, twelve thousand, one hundred ten".