211120221121002 has 64 divisors (see below), whose sum is σ = 476076035635200. Its totient is φ = 69342542752320.

The previous prime is 211120221120971. The next prime is 211120221121013. The reversal of 211120221121002 is 200121122021112.

211120221121002 is a `hidden beast` number, since 211 + 1 + 20 + 221 + 1 + 210 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98018058 + ... + 100148789.

It is an arithmetic number, because the mean of its divisors is an integer number (7438688056800).

Almost surely, 2^{211120221121002} is an apocalyptic number.

211120221121002 is an abundant number, since it is smaller than the sum of its proper divisors (264955814514198).

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

211120221121002 is a wasteful number, since it uses less digits than its factorization.

211120221121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198167148 (or 198167142 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211120221121002 its reverse (200121122021112), we get a palindrome (411241343142114).

The spelling of 211120221121002 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred twenty-one million, one hundred twenty-one thousand, two".