101221120011203 has 2 divisors, whose sum is σ = 101221120011204. Its totient is φ = 101221120011202.

The previous prime is 101221120011131. The next prime is 101221120011307. The reversal of 101221120011203 is 302110021122101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101221120011203 - 2¹⁸ = 101221119749059 is a prime.

It is not a weakly prime, because it can be changed into another prime (101221120017203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610560005601 + 50610560005602.

It is an arithmetic number, because the mean of its divisors is an integer number (50610560005602).

Almost surely, 2^{101221120011203} is an apocalyptic number.

101221120011203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221120011203 is an equidigital number, since it uses as much as digits as its factorization.

101221120011203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 101221120011203 its reverse (302110021122101), we get a palindrome (403331141133304).

The spelling of 101221120011203 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty million, eleven thousand, two hundred three".