211000120022020 has 24 divisors (see below), whose sum is σ = 506400288053184. Its totient is φ = 72342898293216.

The previous prime is 211000120021973. The next prime is 211000120022023. The reversal of 211000120022020 is 20220021000112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211000120022023) 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, 753571857082 + ... + 753571857361.

It is an arithmetic number, because the mean of its divisors is an integer number (21100012002216).

Almost surely, 2^{211000120022020} is an apocalyptic number.

211000120022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000120022020 is an abundant number, since it is smaller than the sum of its proper divisors (295400168031164).

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

211000120022020 is a wasteful number, since it uses less digits than its factorization.

211000120022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507143714459 (or 1507143714457 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211000120022020 its reverse (20220021000112), we get a palindrome (231220141022132).

The spelling of 211000120022020 in words is "two hundred eleven trillion, one hundred twenty million, twenty-two thousand, twenty".