211021002010101 has 16 divisors (see below), whose sum is σ = 281679017771520. Its totient is φ = 140521855853040.

The previous prime is 211021002010081. The next prime is 211021002010121. The reversal of 211021002010101 is 101010200120112.

It is an interprime number because it is at equal distance from previous prime (211021002010081) and next prime (211021002010121).

It is not a de Polignac number, because 211021002010101 - 2⁹ = 211021002009589 is a prime.

It is a super-3 number, since 3×211021002010101³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211021002010121) 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, 25844910 + ... + 33015168.

It is an arithmetic number, because the mean of its divisors is an integer number (17604938610720).

Almost surely, 2^{211021002010101} is an apocalyptic number.

It is an amenable number.

211021002010101 is a deficient number, since it is larger than the sum of its proper divisors (70658015761419).

211021002010101 is a wasteful number, since it uses less digits than its factorization.

211021002010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181336.

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

Adding to 211021002010101 its reverse (101010200120112), we get a palindrome (312031202130213).

The spelling of 211021002010101 in words is "two hundred eleven trillion, twenty-one billion, two million, ten thousand, one hundred one".