201121001112010 has 32 divisors (see below), whose sum is σ = 413735726332800. Its totient is φ = 68955589230912.

The previous prime is 201121001111993. The next prime is 201121001112011. The reversal of 201121001112010 is 10211100121102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201121001112011) 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, 24294541 + ... + 31503439.

It is an arithmetic number, because the mean of its divisors is an integer number (12929241447900).

Almost surely, 2^{201121001112010} is an apocalyptic number.

201121001112010 is an abundant number, since it is smaller than the sum of its proper divisors (212614725220790).

201121001112010 is a wasteful number, since it uses less digits than its factorization.

201121001112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607470.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201121001112010 its reverse (10211100121102), we get a palindrome (211332101233112).

The spelling of 201121001112010 in words is "two hundred one trillion, one hundred twenty-one billion, one million, one hundred twelve thousand, ten".