101022121212 has 48 divisors (see below), whose sum is σ = 251265369600. Its totient is φ = 31497897600.

The previous prime is 101022121201. The next prime is 101022121219. The reversal of 101022121212 is 212121220101.

It is a super-3 number, since 3×101022121212³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101022121191 and 101022121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022121219) 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, 2786289 + ... + 2822312.

It is an arithmetic number, because the mean of its divisors is an integer number (5234695200).

Almost surely, 2^101022121212 is an apocalyptic number.

101022121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101022121212 is an abundant number, since it is smaller than the sum of its proper divisors (150243248388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101022121212 is a wasteful number, since it uses less digits than its factorization.

101022121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608706 (or 5608704 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101022121212 its reverse (212121220101), we get a palindrome (313143341313).

The spelling of 101022121212 in words is "one hundred one billion, twenty-two million, one hundred twenty-one thousand, two hundred twelve".