101011202121212 has 24 divisors (see below), whose sum is σ = 177480922011120. Its totient is φ = 50302383264000.

The previous prime is 101011202121163. The next prime is 101011202121217. The reversal of 101011202121212 is 212121202110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011202121217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23422628 + ... + 27397844.

It is an arithmetic number, because the mean of its divisors is an integer number (7395038417130).

Almost surely, 2^{101011202121212} is an apocalyptic number.

It is an amenable number.

101011202121212 is a deficient number, since it is larger than the sum of its proper divisors (76469719889908).

101011202121212 is a wasteful number, since it uses less digits than its factorization.

101011202121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000781 (or 4000779 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101011202121212 its reverse (212121202110101), we get a palindrome (313132404231313).

The spelling of 101011202121212 in words is "one hundred one trillion, eleven billion, two hundred two million, one hundred twenty-one thousand, two hundred twelve".