1201222111010 has 8 divisors (see below), whose sum is σ = 2162199799836. Its totient is φ = 480488844400.

The previous prime is 1201222111007. The next prime is 1201222111031. The reversal of 1201222111010 is 101112221021.

It can be written as a sum of positive squares in 2 ways, for example, as 1015142896849 + 186079214161 = 1007543^2 + 431369^2 .

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

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, 60061105541 + ... + 60061105560.

Almost surely, 2^{1201222111010} is an apocalyptic number.

1201222111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201222111010 is a deficient number, since it is larger than the sum of its proper divisors (960977688826).

1201222111010 is a wasteful number, since it uses less digits than its factorization.

1201222111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120122211108.

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

Adding to 1201222111010 its reverse (101112221021), we get a palindrome (1302334332031).

The spelling of 1201222111010 in words is "one trillion, two hundred one billion, two hundred twenty-two million, one hundred eleven thousand, ten".