201330211221122 has 4 divisors (see below), whose sum is σ = 301995316831686. Its totient is φ = 100665105610560.

The previous prime is 201330211221119. The next prime is 201330211221137. The reversal of 201330211221122 is 221122112033102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 195110080448761 + 6220130772361 = 13968181^2 + 2494019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50332552805279 + ... + 50332552805282.

Almost surely, 2^{201330211221122} is an apocalyptic number.

201330211221122 is a deficient number, since it is larger than the sum of its proper divisors (100665105610564).

201330211221122 is a wasteful number, since it uses less digits than its factorization.

201330211221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100665105610563.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 201330211221122 its reverse (221122112033102), we get a palindrome (422452323254224).

The spelling of 201330211221122 in words is "two hundred one trillion, three hundred thirty billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".