210220012020111 has 8 divisors (see below), whose sum is σ = 280309221980160. Its totient is φ = 140138738370072.

The previous prime is 210220012020103. The next prime is 210220012020113. The reversal of 210220012020111 is 111020210022012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210220012020111 - 2³ = 210220012020103 is a prime.

It is a super-2 number, since 2×210220012020111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220012020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1984015695 + ... + 1984121648.

It is an arithmetic number, because the mean of its divisors is an integer number (35038652747520).

Almost surely, 2^{210220012020111} is an apocalyptic number.

210220012020111 is a deficient number, since it is larger than the sum of its proper divisors (70089209960049).

210220012020111 is a wasteful number, since it uses less digits than its factorization.

210220012020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968155005.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210220012020111 its reverse (111020210022012), we get a palindrome (321240222042123).

The spelling of 210220012020111 in words is "two hundred ten trillion, two hundred twenty billion, twelve million, twenty thousand, one hundred eleven".