101212002111 has 32 divisors (see below), whose sum is σ = 155904480000. Its totient is φ = 57722273280.

The previous prime is 101212002107. The next prime is 101212002127. The reversal of 101212002111 is 111200212101.

It is not a de Polignac number, because 101212002111 - 2² = 101212002107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212002161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4223040 + ... + 4246938.

It is an arithmetic number, because the mean of its divisors is an integer number (4872015000).

Almost surely, 2^101212002111 is an apocalyptic number.

101212002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101212002111 is a deficient number, since it is larger than the sum of its proper divisors (54692477889).

101212002111 is a wasteful number, since it uses less digits than its factorization.

101212002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31479.

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

Adding to 101212002111 its reverse (111200212101), we get a palindrome (212412214212).

It can be divided in two parts, 10 and 1212002111, that added together give a palindrome (1212002121).

The spelling of 101212002111 in words is "one hundred one billion, two hundred twelve million, two thousand, one hundred eleven".