10211221122 has 32 divisors (see below), whose sum is σ = 21675216384. Its totient is φ = 3195897600.

The previous prime is 10211221121. The next prime is 10211221127. The reversal of 10211221122 is 22112211201.

10211221122 is a modest number, since divided by 11221122 gives 102 as remainder.

It is not an unprimeable number, because it can be changed into a prime (10211221121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75954 + ... + 161837.

It is an arithmetic number, because the mean of its divisors is an integer number (677350512).

Almost surely, 2^10211221122 is an apocalyptic number.

10211221122 is an abundant number, since it is smaller than the sum of its proper divisors (11463995262).

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

10211221122 is a wasteful number, since it uses less digits than its factorization.

10211221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238234.

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

Adding to 10211221122 its reverse (22112211201), we get a palindrome (32323432323).

The spelling of 10211221122 in words is "ten billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".