1022101111012 has 6 divisors (see below), whose sum is σ = 1788676944278. Its totient is φ = 511050555504.

The previous prime is 1022101111007. The next prime is 1022101111037. The reversal of 1022101111012 is 2101111012201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 722217827556 + 299883283456 = 849834^2 + 547616^2 .

It is a super-3 number, since 3×1022101111012³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1022101110983 and 1022101111001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127762638873 + ... + 127762638880.

Almost surely, 2^{1022101111012} is an apocalyptic number.

It is an amenable number.

1022101111012 is a deficient number, since it is larger than the sum of its proper divisors (766575833266).

1022101111012 is a wasteful number, since it uses less digits than its factorization.

1022101111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255525277757 (or 255525277755 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1022101111012 its reverse (2101111012201), we get a palindrome (3123212123213).

The spelling of 1022101111012 in words is "one trillion, twenty-two billion, one hundred one million, one hundred eleven thousand, twelve".