200101211020 has 24 divisors (see below), whose sum is σ = 420373223424. Its totient is φ = 80009878656.

The previous prime is 200101210949. The next prime is 200101211047. The reversal of 200101211020 is 20112101002.

It is a super-3 number, since 3×200101211020³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200101210988 and 200101211006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859212 + ... + 1963891.

It is an arithmetic number, because the mean of its divisors is an integer number (17515550976).

Almost surely, 2^200101211020 is an apocalyptic number.

200101211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200101211020 is an abundant number, since it is smaller than the sum of its proper divisors (220272012404).

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

200101211020 is a wasteful number, since it uses less digits than its factorization.

200101211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825729 (or 3825727 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200101211020 its reverse (20112101002), we get a palindrome (220213312022).

The spelling of 200101211020 in words is "two hundred billion, one hundred one million, two hundred eleven thousand, twenty".