1020211121112 has 16 divisors (see below), whose sum is σ = 2550527802840. Its totient is φ = 340070373696.

The previous prime is 1020211121107. The next prime is 1020211121117. The reversal of 1020211121112 is 2111211120201.

It is a happy number.

1020211121112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020211121107) and next prime (1020211121117).

It is a junction number, because it is equal to n+sod(n) for n = 1020211121091 and 1020211121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020211121117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21254398333 + ... + 21254398380.

Almost surely, 2^{1020211121112} is an apocalyptic number.

1020211121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020211121112 is an abundant number, since it is smaller than the sum of its proper divisors (1530316681728).

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

1020211121112 is a wasteful number, since it uses less digits than its factorization.

1020211121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42508796722 (or 42508796718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1020211121112 its reverse (2111211120201), we get a palindrome (3131422241313).

The spelling of 1020211121112 in words is "one trillion, twenty billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twelve".