210201121001020 has 12 divisors (see below), whose sum is σ = 441422354102184. Its totient is φ = 84080448400400.

The previous prime is 210201121001017. The next prime is 210201121001023. The reversal of 210201121001020 is 20100121102012.

210201121001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210201121001017) and next prime (210201121001023).

It is a super-2 number, since 2×210201121001020² (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 (210201121001023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255028025006 + ... + 5255028025045.

It is an arithmetic number, because the mean of its divisors is an integer number (36785196175182).

Almost surely, 2^{210201121001020} is an apocalyptic number.

210201121001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201121001020 is an abundant number, since it is smaller than the sum of its proper divisors (231221233101164).

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

210201121001020 is a wasteful number, since it uses less digits than its factorization.

210201121001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510056050060 (or 10510056050058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210201121001020 its reverse (20100121102012), we get a palindrome (230301242103032).

The spelling of 210201121001020 in words is "two hundred ten trillion, two hundred one billion, one hundred twenty-one million, one thousand, twenty".