210222121011 has 8 divisors (see below), whose sum is σ = 320338470144. Its totient is φ = 120126926280.

The previous prime is 210222120973. The next prime is 210222121063. The reversal of 210222121011 is 110121222012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210222121011 - 2⁶ = 210222120947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210222129011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5005288575 + ... + 5005288616.

It is an arithmetic number, because the mean of its divisors is an integer number (40042308768).

Almost surely, 2^210222121011 is an apocalyptic number.

210222121011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

210222121011 is a deficient number, since it is larger than the sum of its proper divisors (110116349133).

210222121011 is a wasteful number, since it uses less digits than its factorization.

210222121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010577201.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210222121011 its reverse (110121222012), we get a palindrome (320343343023).

The spelling of 210222121011 in words is "two hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, eleven".