101020120216 has 64 divisors (see below), whose sum is σ = 192388248000. Its totient is φ = 49724817408.

The previous prime is 101020120181. The next prime is 101020120217. The reversal of 101020120216 is 612021020101.

It is a self number, because there is not a number n which added to its sum of digits gives 101020120216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020120217) 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, 77528221 + ... + 77529523.

It is an arithmetic number, because the mean of its divisors is an integer number (3006066375).

Almost surely, 2^101020120216 is an apocalyptic number.

It is an amenable number.

101020120216 is a deficient number, since it is larger than the sum of its proper divisors (91368127784).

101020120216 is a wasteful number, since it uses less digits than its factorization.

101020120216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101020120216 its reverse (612021020101), we get a palindrome (713041140317).

The spelling of 101020120216 in words is "one hundred one billion, twenty million, one hundred twenty thousand, two hundred sixteen".