101211020021212 has 24 divisors (see below), whose sum is σ = 181548371676672. Its totient is φ = 49341541094400.

The previous prime is 101211020021207. The next prime is 101211020021219. The reversal of 101211020021212 is 212120020112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211020021219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185277589 + ... + 185823052.

It is an arithmetic number, because the mean of its divisors is an integer number (7564515486528).

Almost surely, 2^{101211020021212} is an apocalyptic number.

It is an amenable number.

101211020021212 is a deficient number, since it is larger than the sum of its proper divisors (80337351655460).

101211020021212 is a wasteful number, since it uses less digits than its factorization.

101211020021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371102349 (or 371102347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101211020021212 its reverse (212120020112101), we get a palindrome (313331040133313).

The spelling of 101211020021212 in words is "one hundred one trillion, two hundred eleven billion, twenty million, twenty-one thousand, two hundred twelve".