1022121212102 has 32 divisors (see below), whose sum is σ = 1595289600000. Its totient is φ = 490567293216.

The previous prime is 1022121212083. The next prime is 1022121212107. The reversal of 1022121212102 is 2012121212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022121212107) 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, 14727599 + ... + 14796837.

It is an arithmetic number, because the mean of its divisors is an integer number (49852800000).

Almost surely, 2^{1022121212102} is an apocalyptic number.

1022121212102 is a deficient number, since it is larger than the sum of its proper divisors (573168387898).

1022121212102 is a wasteful number, since it uses less digits than its factorization.

1022121212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70748.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022121212102 its reverse (2012121212201), we get a palindrome (3034242424303).

Subtracting 1022121212102 from its reverse (2012121212201), we obtain a palindrome (990000000099).

The spelling of 1022121212102 in words is "one trillion, twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".