101201021211 has 4 divisors (see below), whose sum is σ = 134934694952. Its totient is φ = 67467347472.

The previous prime is 101201021197. The next prime is 101201021237. The reversal of 101201021211 is 112120102101.

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

It is not a de Polignac number, because 101201021211 - 2⁶ = 101201021147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101201011211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16866836866 + ... + 16866836871.

It is an arithmetic number, because the mean of its divisors is an integer number (33733673738).

Almost surely, 2^101201021211 is an apocalyptic number.

101201021211 is a deficient number, since it is larger than the sum of its proper divisors (33733673741).

101201021211 is an equidigital number, since it uses as much as digits as its factorization.

101201021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33733673740.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101201021211 its reverse (112120102101), we get a palindrome (213321123312).

The spelling of 101201021211 in words is "one hundred one billion, two hundred one million, twenty-one thousand, two hundred eleven".