101212101011 has 16 divisors (see below), whose sum is σ = 115999792128. Its totient is φ = 86506812000.

The previous prime is 101212101007. The next prime is 101212101019. The reversal of 101212101011 is 110101212101.

It is not a de Polignac number, because 101212101011 - 2² = 101212101007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212100983 and 101212101001.

It is not an unprimeable number, because it can be changed into a prime (101212101019) 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, 7511066 + ... + 7524528.

It is an arithmetic number, because the mean of its divisors is an integer number (7249987008).

Almost surely, 2^101212101011 is an apocalyptic number.

101212101011 is a deficient number, since it is larger than the sum of its proper divisors (14787691117).

101212101011 is a wasteful number, since it uses less digits than its factorization.

101212101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16442.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101212101011 its reverse (110101212101), we get a palindrome (211313313112).

The spelling of 101212101011 in words is "one hundred one billion, two hundred twelve million, one hundred one thousand, eleven".