221120202133101 has 64 divisors (see below), whose sum is σ = 312545915601920. Its totient is φ = 138902093291520.

The previous prime is 221120202133013. The next prime is 221120202133133. The reversal of 221120202133101 is 101331202021122.

It is not a de Polignac number, because 221120202133101 - 2¹⁴ = 221120202116717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221120202133001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114910581 + ... + 116819013.

It is an arithmetic number, because the mean of its divisors is an integer number (4883529931280).

Almost surely, 2^{221120202133101} is an apocalyptic number.

It is an amenable number.

221120202133101 is a deficient number, since it is larger than the sum of its proper divisors (91425713468819).

221120202133101 is a wasteful number, since it uses less digits than its factorization.

221120202133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908806.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221120202133101 its reverse (101331202021122), we get a palindrome (322451404154223).

The spelling of 221120202133101 in words is "two hundred twenty-one trillion, one hundred twenty billion, two hundred two million, one hundred thirty-three thousand, one hundred one".