101010100221111 has 32 divisors (see below), whose sum is σ = 141903204710400. Its totient is φ = 63735289089120.

The previous prime is 101010100221109. The next prime is 101010100221119. The reversal of 101010100221111 is 111122001010101.

It is not a de Polignac number, because 101010100221111 - 2¹ = 101010100221109 is a prime.

It is a super-4 number, since 4×101010100221111⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010100221119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287023720 + ... + 287375426.

It is an arithmetic number, because the mean of its divisors is an integer number (4434475147200).

Almost surely, 2^{101010100221111} is an apocalyptic number.

101010100221111 is a deficient number, since it is larger than the sum of its proper divisors (40893104489289).

101010100221111 is a wasteful number, since it uses less digits than its factorization.

101010100221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356499.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101010100221111 its reverse (111122001010101), we get a palindrome (212132101231212).

The spelling of 101010100221111 in words is "one hundred one trillion, ten billion, one hundred million, two hundred twenty-one thousand, one hundred eleven".