101202212120 has 32 divisors (see below), whose sum is σ = 227864674800. Its totient is φ = 40452494208.

The previous prime is 101202212119. The next prime is 101202212171. The reversal of 101202212120 is 21212202101.

It is a junction number, because it is equal to n+sod(n) for n = 101202212095 and 101202212104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829415 + ... + 943574.

Almost surely, 2^101202212120 is an apocalyptic number.

101202212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101202212120 is an abundant number, since it is smaller than the sum of its proper divisors (126662462680).

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

101202212120 is a wasteful number, since it uses less digits than its factorization.

101202212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774427 (or 1774423 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101202212120 its reverse (21212202101), we get a palindrome (122414414221).

The spelling of 101202212120 in words is "one hundred one billion, two hundred two million, two hundred twelve thousand, one hundred twenty".