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1110020021210 = 25279739686093
BaseRepresentation
bin10000001001110010010…
…110010101101111011010
310221010011012111120210102
4100021302112111233122
5121141310111134320
62205534113215402
7143124221334242
oct20116226255732
93833135446712
101110020021210
11398836400261
1215b167561562
138089c9856c9
143ba2215cb22
151dd1a4b6175
hex10272595bda

1110020021210 has 16 divisors (see below), whose sum is σ = 1998750438216. Its totient is φ = 443849252928.

The previous prime is 1110020021197. The next prime is 1110020021221. The reversal of 1110020021210 is 121200200111.

It can be written as a sum of positive squares in 4 ways, for example, as 877251404689 + 232768616521 = 936617^2 + 482461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1110020021191 and 1110020021200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19815077 + ... + 19871016.

Almost surely, 21110020021210 is an apocalyptic number.

1110020021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1110020021210 is a deficient number, since it is larger than the sum of its proper divisors (888730417006).

1110020021210 is a wasteful number, since it uses less digits than its factorization.

1110020021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39688897.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1110020021210 its reverse (121200200111), we get a palindrome (1231220221321).

The spelling of 1110020021210 in words is "one trillion, one hundred ten billion, twenty million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 2797 5594 13985 27970 39686093 79372186 198430465 396860930 111002002121 222004004242 555010010605 1110020021210