221012210122 has 8 divisors (see below), whose sum is σ = 361656343872. Its totient is φ = 100460095500.

The previous prime is 221012210113. The next prime is 221012210141.

It is a happy number.

221012210122 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×221012210122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221012210096 and 221012210105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023004754 + ... + 5023004797.

It is an arithmetic number, because the mean of its divisors is an integer number (45207042984).

Almost surely, 2^221012210122 is an apocalyptic number.

221012210122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221012210122 is a deficient number, since it is larger than the sum of its proper divisors (140644133750).

221012210122 is a wasteful number, since it uses less digits than its factorization.

221012210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046009564.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 221012 and 210122, that added together give a palindrome (431134).

The spelling of 221012210122 in words is "two hundred twenty-one billion, twelve million, two hundred ten thousand, one hundred twenty-two".