1012022121111 has 16 divisors (see below), whose sum is σ = 1354681692000. Its totient is φ = 672023104128.

The previous prime is 1012022121091. The next prime is 1012022121127. The reversal of 1012022121111 is 1111212202101.

It is a happy number.

It is not a de Polignac number, because 1012022121111 - 2³⁴ = 994842251927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012022121511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3533205 + ... + 3808881.

It is an arithmetic number, because the mean of its divisors is an integer number (84667605750).

Almost surely, 2^{1012022121111} is an apocalyptic number.

1012022121111 is a deficient number, since it is larger than the sum of its proper divisors (342659570889).

1012022121111 is a wasteful number, since it uses less digits than its factorization.

1012022121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280498.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012022121111 its reverse (1111212202101), we get a palindrome (2123234323212).

The spelling of 1012022121111 in words is "one trillion, twelve billion, twenty-two million, one hundred twenty-one thousand, one hundred eleven".