101021211020211 has 16 divisors (see below), whose sum is σ = 144459328573440. Its totient is φ = 62599042378080.

The previous prime is 101021211020159. The next prime is 101021211020243. The reversal of 101021211020211 is 112020112120101.

It is a happy number.

It is not a de Polignac number, because 101021211020211 - 2⁷ = 101021211020083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101021211020251) 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, 16719826675 + ... + 16719832716.

It is an arithmetic number, because the mean of its divisors is an integer number (9028708035840).

Almost surely, 2^{101021211020211} is an apocalyptic number.

101021211020211 is a deficient number, since it is larger than the sum of its proper divisors (43438117553229).

101021211020211 is a wasteful number, since it uses less digits than its factorization.

101021211020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33439659466.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101021211020211 its reverse (112020112120101), we get a palindrome (213041323140312).

The spelling of 101021211020211 in words is "one hundred one trillion, twenty-one billion, two hundred eleven million, twenty thousand, two hundred eleven".