211422010020 has 96 divisors (see below), whose sum is σ = 641336548608. Its totient is φ = 51730678272.

The previous prime is 211422010013. The next prime is 211422010049. The reversal of 211422010020 is 20010224112.

It is a super-3 number, since 3×211422010020³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 681279 + ... + 941798.

It is an arithmetic number, because the mean of its divisors is an integer number (6680589048).

Almost surely, 2^211422010020 is an apocalyptic number.

211422010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211422010020 is an abundant number, since it is smaller than the sum of its proper divisors (429914538588).

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

211422010020 is a wasteful number, since it uses less digits than its factorization.

211422010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623269 (or 1623267 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211422010020 its reverse (20010224112), we get a palindrome (231432234132).

The spelling of 211422010020 in words is "two hundred eleven billion, four hundred twenty-two million, ten thousand, twenty".