120001111200221 has 2 divisors, whose sum is σ = 120001111200222. Its totient is φ = 120001111200220.

The previous prime is 120001111200209. The next prime is 120001111200251. The reversal of 120001111200221 is 122002111100021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94235284440196 + 25765826760025 = 9707486^2 + 5076005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120001111200221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120001111200196 and 120001111200205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120001111200251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000555600110 + 60000555600111.

It is an arithmetic number, because the mean of its divisors is an integer number (60000555600111).

Almost surely, 2^{120001111200221} is an apocalyptic number.

It is an amenable number.

120001111200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001111200221 is an equidigital number, since it uses as much as digits as its factorization.

120001111200221 is an evil number, because the sum of its binary digits is even.

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

Adding to 120001111200221 its reverse (122002111100021), we get a palindrome (242003222300242).

The spelling of 120001111200221 in words is "one hundred twenty trillion, one billion, one hundred eleven million, two hundred thousand, two hundred twenty-one".