10121021201112 has 32 divisors (see below), whose sum is σ = 25347979522800. Its totient is φ = 3367616864384.

The previous prime is 10121021201107. The next prime is 10121021201119. The reversal of 10121021201112 is 21110212012101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10121021201091 and 10121021201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121021201119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378540687 + ... + 378567422.

Almost surely, 2^{10121021201112} is an apocalyptic number.

10121021201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121021201112 is an abundant number, since it is smaller than the sum of its proper divisors (15226958321688).

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

10121021201112 is a wasteful number, since it uses less digits than its factorization.

10121021201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757108675 (or 757108671 counting only the distinct ones).

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

Adding to 10121021201112 its reverse (21110212012101), we get a palindrome (31231233213213).

The spelling of 10121021201112 in words is "ten trillion, one hundred twenty-one billion, twenty-one million, two hundred one thousand, one hundred twelve".