211421011022 has 16 divisors (see below), whose sum is σ = 341533987872. Its totient is φ = 97576716960.

The previous prime is 211421011019. The next prime is 211421011063. The reversal of 211421011022 is 220110124112.

211421011022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1848647 + ... + 1959677.

It is an arithmetic number, because the mean of its divisors is an integer number (21345874242).

Almost surely, 2^211421011022 is an apocalyptic number.

211421011022 is a deficient number, since it is larger than the sum of its proper divisors (130112976850).

211421011022 is a wasteful number, since it uses less digits than its factorization.

211421011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184283.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211421011022 its reverse (220110124112), we get a palindrome (431531135134).

The spelling of 211421011022 in words is "two hundred eleven billion, four hundred twenty-one million, eleven thousand, twenty-two".