210211101001020 has 96 divisors (see below), whose sum is σ = 672707295138816. Its totient is φ = 48045982233600.

The previous prime is 210211101000889. The next prime is 210211101001087. The reversal of 210211101001020 is 20100101112012.

210211101001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210211101001020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210211101000987 and 210211101001005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2909101 + ... + 20709540.

It is an arithmetic number, because the mean of its divisors is an integer number (7007367657696).

Almost surely, 2^{210211101001020} is an apocalyptic number.

210211101001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211101001020 is an abundant number, since it is smaller than the sum of its proper divisors (462496194137796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210211101001020 is a wasteful number, since it uses less digits than its factorization.

210211101001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23639851 (or 23639849 counting only the distinct ones).

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

Adding to 210211101001020 its reverse (20100101112012), we get a palindrome (230311202113032).

The spelling of 210211101001020 in words is "two hundred ten trillion, two hundred eleven billion, one hundred one million, one thousand, twenty".