10001212211022 has 32 divisors (see below), whose sum is σ = 20210987076000. Its totient is φ = 3298984962048.

The previous prime is 10001212211021. The next prime is 10001212211051. The reversal of 10001212211022 is 22011221210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001212210992 and 10001212211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001212211021) 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, 4026354 + ... + 6017802.

It is an arithmetic number, because the mean of its divisors is an integer number (631593346125).

Almost surely, 2^{10001212211022} is an apocalyptic number.

10001212211022 is an abundant number, since it is smaller than the sum of its proper divisors (10209774864978).

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

10001212211022 is a wasteful number, since it uses less digits than its factorization.

10001212211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000180.

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

Adding to 10001212211022 its reverse (22011221210001), we get a palindrome (32012433421023).

The spelling of 10001212211022 in words is "ten trillion, one billion, two hundred twelve million, two hundred eleven thousand, twenty-two".