1010020122111 has 64 divisors (see below), whose sum is σ = 1813360582656. Its totient is φ = 482929084800.

The previous prime is 1010020122101. The next prime is 1010020122113. The reversal of 1010020122111 is 1112210200101.

It is not a de Polignac number, because 1010020122111 - 2⁶ = 1010020122047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010020122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 557406 + ... + 1526676.

It is an arithmetic number, because the mean of its divisors is an integer number (28333759104).

Almost surely, 2^{1010020122111} is an apocalyptic number.

1010020122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1010020122111 is a deficient number, since it is larger than the sum of its proper divisors (803340460545).

1010020122111 is a wasteful number, since it uses less digits than its factorization.

1010020122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969652.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1010020122111 its reverse (1112210200101), we get a palindrome (2122230322212).

The spelling of 1010020122111 in words is "one trillion, ten billion, twenty million, one hundred twenty-two thousand, one hundred eleven".