211000211111020 has 24 divisors (see below), whose sum is σ = 443107038049200. Its totient is φ = 84398828308032.

The previous prime is 211000211110973. The next prime is 211000211111149. The reversal of 211000211111020 is 20111112000112.

It is a happy number.

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, 77130535 + ... + 79819294.

It is an arithmetic number, because the mean of its divisors is an integer number (18462793252050).

Almost surely, 2^{211000211111020} is an apocalyptic number.

211000211111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211000211111020 is an abundant number, since it is smaller than the sum of its proper divisors (232106826938180).

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

211000211111020 is a wasteful number, since it uses less digits than its factorization.

211000211111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157017057 (or 157017055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211000211111020 its reverse (20111112000112), we get a palindrome (231111323111132).

The spelling of 211000211111020 in words is "two hundred eleven trillion, two hundred eleven million, one hundred eleven thousand, twenty".