10211220221112 has 24 divisors (see below), whose sum is σ = 27655388099040. Its totient is φ = 3403740073680.

The previous prime is 10211220221093. The next prime is 10211220221131. The reversal of 10211220221112 is 21112202211201.

10211220221112 is a `hidden beast` number, since 1 + 0 + 211 + 220 + 221 + 1 + 12 = 666.

10211220221112 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 (10211220221093) and next prime (10211220221131).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70911251464 + ... + 70911251607.

It is an arithmetic number, because the mean of its divisors is an integer number (1152307837460).

Almost surely, 2^{10211220221112} is an apocalyptic number.

10211220221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10211220221112 is an abundant number, since it is smaller than the sum of its proper divisors (17444167877928).

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

10211220221112 is a wasteful number, since it uses less digits than its factorization.

10211220221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141822503083 (or 141822503076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10211220221112 its reverse (21112202211201), we get a palindrome (31323422432313).

The spelling of 10211220221112 in words is "ten trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".