211201022001000 has 128 divisors (see below), whose sum is σ = 670115785622400. Its totient is φ = 55365691596800.

The previous prime is 211201022000981. The next prime is 211201022001031. The reversal of 211201022001000 is 100220102112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 596436057 + ... + 596790056.

It is an arithmetic number, because the mean of its divisors is an integer number (5235279575175).

Almost surely, 2^{211201022001000} is an apocalyptic number.

211201022001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211201022001000 is an abundant number, since it is smaller than the sum of its proper divisors (458914763621400).

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

211201022001000 is a wasteful number, since it uses less digits than its factorization.

211201022001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193226196 (or 1193226182 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211201022001000 its reverse (100220102112), we get a palindrome (211301242103112).

The spelling of 211201022001000 in words is "two hundred eleven trillion, two hundred one billion, twenty-two million, one thousand".