1022121101012 has 12 divisors (see below), whose sum is σ = 1951322102016. Its totient is φ = 464600500440.

The previous prime is 1022121100993. The next prime is 1022121101021. The reversal of 1022121101012 is 2101011212201.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 11615012468 + ... + 11615012555.

It is an arithmetic number, because the mean of its divisors is an integer number (162610175168).

Almost surely, 2^{1022121101012} is an apocalyptic number.

It is an amenable number.

1022121101012 is a deficient number, since it is larger than the sum of its proper divisors (929201001004).

1022121101012 is a wasteful number, since it uses less digits than its factorization.

1022121101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23230025038 (or 23230025036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022121101012 its reverse (2101011212201), we get a palindrome (3123132313213).

The spelling of 1022121101012 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one hundred one thousand, twelve".