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2120121201110 = 2511171133754653
BaseRepresentation
bin11110110110100001000…
…100100011000111010110
321111200101220002010010112
4132312201010203013112
5234214002011413420
64301545323123022
7306113402603333
oct36664104430726
97450356063115
102120121201110
11748158168110
122a2a88373472
13124c078a6273
1474885d4598a
153a2389248c5
hex1eda11231d6

2120121201110 has 32 divisors (see below), whose sum is σ = 4408038094752. Its totient is φ = 725602977280.

The previous prime is 2120121201031. The next prime is 2120121201137. The reversal of 2120121201110 is 111021210212.

It is a super-2 number, since 2×21201212011102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566875457 + ... + 566879196.

It is an arithmetic number, because the mean of its divisors is an integer number (137751190461).

Almost surely, 22120121201110 is an apocalyptic number.

2120121201110 is an abundant number, since it is smaller than the sum of its proper divisors (2287916893642).

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

2120121201110 is a wasteful number, since it uses less digits than its factorization.

2120121201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133754688.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2120121201110 its reverse (111021210212), we get a palindrome (2231142411322).

The spelling of 2120121201110 in words is "two trillion, one hundred twenty billion, one hundred twenty-one million, two hundred one thousand, one hundred ten".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 935 1870 1133754653 2267509306 5668773265 11337546530 12471301183 19273829101 24942602366 38547658202 62356505915 96369145505 124713011830 192738291010 212012120111 424024240222 1060060600555 2120121201110