211003001001020 has 48 divisors (see below), whose sum is σ = 443209500528480. Its totient is φ = 84381545558016.

The previous prime is 211003001001019. The next prime is 211003001001031. The reversal of 211003001001020 is 20100100300112.

It is a junction number, because it is equal to n+sod(n) for n = 211003001000992 and 211003001001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2069356559 + ... + 2069458521.

It is an arithmetic number, because the mean of its divisors is an integer number (9233531261010).

Almost surely, 2^{211003001001020} is an apocalyptic number.

211003001001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211003001001020 is an abundant number, since it is smaller than the sum of its proper divisors (232206499527460).

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

211003001001020 is a wasteful number, since it uses less digits than its factorization.

211003001001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125054 (or 125052 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 211003001001020 its reverse (20100100300112), we get a palindrome (231103101301132).

The spelling of 211003001001020 in words is "two hundred eleven trillion, three billion, one million, one thousand, twenty".