211421320022 has 16 divisors (see below), whose sum is σ = 347754717072. Its totient is φ = 95602667520.

The previous prime is 211421319983. The next prime is 211421320031. The reversal of 211421320022 is 220023124112.

211421320022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211421319976 and 211421320003.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24892283 + ... + 24900774.

It is an arithmetic number, because the mean of its divisors is an integer number (21734669817).

Almost surely, 2^211421320022 is an apocalyptic number.

211421320022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211421320022 is a deficient number, since it is larger than the sum of its proper divisors (136333397050).

211421320022 is a wasteful number, since it uses less digits than its factorization.

211421320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49793263.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211421320022 its reverse (220023124112), we get a palindrome (431444444134).

The spelling of 211421320022 in words is "two hundred eleven billion, four hundred twenty-one million, three hundred twenty thousand, twenty-two".