101021011211 has 16 divisors (see below), whose sum is σ = 105675736320. Its totient is φ = 96503615520.

The previous prime is 101021011177. The next prime is 101021011253. The reversal of 101021011211 is 112110120101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101021011211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101021011192 and 101021011201.

It is not an unprimeable number, because it can be changed into a prime (101021011271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129626 + ... + 467808.

It is an arithmetic number, because the mean of its divisors is an integer number (6604733520).

Almost surely, 2^101021011211 is an apocalyptic number.

101021011211 is a deficient number, since it is larger than the sum of its proper divisors (4654725109).

101021011211 is an equidigital number, since it uses as much as digits as its factorization.

101021011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338386.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101021011211 its reverse (112110120101), we get a palindrome (213131131312).

The spelling of 101021011211 in words is "one hundred one billion, twenty-one million, eleven thousand, two hundred eleven".