10102120221012 has 48 divisors (see below), whose sum is σ = 24812558111040. Its totient is φ = 3190100412672.

The previous prime is 10102120221007. The next prime is 10102120221023. The reversal of 10102120221012 is 21012202120101.

It is a junction number, because it is equal to n+sod(n) for n = 10102120220982 and 10102120221000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19659178 + ... + 20166494.

It is an arithmetic number, because the mean of its divisors is an integer number (516928293980).

Almost surely, 2^{10102120221012} is an apocalyptic number.

10102120221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10102120221012 is an abundant number, since it is smaller than the sum of its proper divisors (14710437890028).

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

10102120221012 is a wasteful number, since it uses less digits than its factorization.

10102120221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594680 (or 594678 counting only the distinct ones).

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

Adding to 10102120221012 its reverse (21012202120101), we get a palindrome (31114322341113).

The spelling of 10102120221012 in words is "ten trillion, one hundred two billion, one hundred twenty million, two hundred twenty-one thousand, twelve".