1020210220112 has 10 divisors (see below), whose sum is σ = 1976657301498. Its totient is φ = 510105110048.

The previous prime is 1020210220111. The next prime is 1020210220123. The reversal of 1020210220112 is 2110220120201.

It can be written as a sum of positive squares in only one way, i.e., 561984118336 + 458226101776 = 749656^2 + 676924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020210220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31881569363 + ... + 31881569394.

Almost surely, 2^{1020210220112} is an apocalyptic number.

It is an amenable number.

1020210220112 is a deficient number, since it is larger than the sum of its proper divisors (956447081386).

1020210220112 is an equidigital number, since it uses as much as digits as its factorization.

1020210220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63763138765 (or 63763138759 counting only the distinct ones).

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

Adding to 1020210220112 its reverse (2110220120201), we get a palindrome (3130430340313).

The spelling of 1020210220112 in words is "one trillion, twenty billion, two hundred ten million, two hundred twenty thousand, one hundred twelve".