10212212021122 has 4 divisors (see below), whose sum is σ = 15318318031686. Its totient is φ = 5106106010560.

The previous prime is 10212212021087. The next prime is 10212212021147. The reversal of 10212212021122 is 22112021221201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6190586871921 + 4021625149201 = 2488089^2 + 2005399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10212212021122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553053005279 + ... + 2553053005282.

Almost surely, 2^{10212212021122} is an apocalyptic number.

10212212021122 is a deficient number, since it is larger than the sum of its proper divisors (5106106010564).

10212212021122 is an equidigital number, since it uses as much as digits as its factorization.

10212212021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106106010563.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212212021122 its reverse (22112021221201), we get a palindrome (32324233242323).

The spelling of 10212212021122 in words is "ten trillion, two hundred twelve billion, two hundred twelve million, twenty-one thousand, one hundred twenty-two".