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22111220120010 = 2357105291524381
BaseRepresentation
bin1010000011100001010110…
…11010111011100111001010
32220021210220221120211222220
411001300223122323213022
510344232234322320020
6115005430532154510
74441324434654420
oct501605332734712
986253827524886
1022111220120010
11705535235717a
122591376a68a36
13c45104a623b8
1456628dd7b110
1528526c11d240
hex141c2b6bb9ca

22111220120010 has 32 divisors (see below), whose sum is σ = 60647918044032. Its totient is φ = 5053993170240.

The previous prime is 22111220119979. The next prime is 22111220120089. The reversal of 22111220120010 is 1002102211122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52645761981 + ... + 52645762400.

It is an arithmetic number, because the mean of its divisors is an integer number (1895247438876).

Almost surely, 222111220120010 is an apocalyptic number.

22111220120010 is an abundant number, since it is smaller than the sum of its proper divisors (38536697924022).

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

22111220120010 is a wasteful number, since it uses less digits than its factorization.

22111220120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105291524398.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22111220120010 its reverse (1002102211122), we get a palindrome (23113322331132).

The spelling of 22111220120010 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 105291524381 210583048762 315874573143 526457621905 631749146286 737040670667 1052915243810 1474081341334 1579372865715 2211122012001 3158745731430 3685203353335 4422244024002 7370406706670 11055610060005 22111220120010