211012011201020 has 24 divisors (see below), whose sum is σ = 443306757923568. Its totient is φ = 84370226499200.

The previous prime is 211012011200971. The next prime is 211012011201029. The reversal of 211012011201020 is 20102110210112.

It is a junction number, because it is equal to n+sod(n) for n = 211012011200986 and 211012011201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012011201029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2161073786 + ... + 2161171425.

It is an arithmetic number, because the mean of its divisors is an integer number (18471114913482).

Almost surely, 2^{211012011201020} is an apocalyptic number.

211012011201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211012011201020 is an abundant number, since it is smaller than the sum of its proper divisors (232294746722548).

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

211012011201020 is a wasteful number, since it uses less digits than its factorization.

211012011201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322247661 (or 4322247659 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211012011201020 its reverse (20102110210112), we get a palindrome (231114121411132).

The spelling of 211012011201020 in words is "two hundred eleven trillion, twelve billion, eleven million, two hundred one thousand, twenty".