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22110021210112 = 212111989521557
BaseRepresentation
bin1010000011011111000111…
…11101011101000000000000
32220021200211101121220210121
411001233203331131000000
510344222310412210422
6115005111543310024
74441252636256323
oct501574375350000
986250741556717
1022110021210112
117054897625450
1225910a144b314
13c44c73560164
145661b8a527ba
152851ebc4a8c7
hex141be3f5d000

22110021210112 has 416 divisors, whose sum is σ = 51534181065600. Its totient is φ = 9379145318400.

The previous prime is 22110021210107. The next prime is 22110021210139. The reversal of 22110021210112 is 21101212001122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39694831338 + ... + 39694831894.

Almost surely, 222110021210112 is an apocalyptic number.

22110021210112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22110021210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25767090532800).

22110021210112 is an abundant number, since it is smaller than the sum of its proper divisors (29424159855488).

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

22110021210112 is a wasteful number, since it uses less digits than its factorization.

22110021210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22110021210112 its reverse (21101212001122), we get a palindrome (43211233211234).

The spelling of 22110021210112 in words is "twenty-two trillion, one hundred ten billion, twenty-one million, two hundred ten thousand, one hundred twelve".