1201121023010 has 8 divisors (see below), whose sum is σ = 2162017841436. Its totient is φ = 480448409200.

The previous prime is 1201121022943. The next prime is 1201121023079. The reversal of 1201121023010 is 103201211021.

It can be written as a sum of positive squares in 2 ways, for example, as 1094917382689 + 106203640321 = 1046383^2 + 325889^2 .

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

It is a Curzon 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, 60056051141 + ... + 60056051160.

Almost surely, 2^{1201121023010} is an apocalyptic number.

1201121023010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201121023010 is a deficient number, since it is larger than the sum of its proper divisors (960896818426).

1201121023010 is a wasteful number, since it uses less digits than its factorization.

1201121023010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120112102308.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1201121023010 its reverse (103201211021), we get a palindrome (1304322234031).

The spelling of 1201121023010 in words is "one trillion, two hundred one billion, one hundred twenty-one million, twenty-three thousand, ten".