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11212202020102 = 297135471627723
BaseRepresentation
bin1010001100101000101101…
…0100011000110100000110
31110200212122122012012122021
42203022023110120310012
52432200042204120402
635502451533153354
72235024550454056
oct243121324306406
943625578165567
1011212202020102
113633082814446
121310bbb92b85a
136343c96bb665
142aa960021566
151469c5ea6d37
hexa328b518d06

11212202020102 has 16 divisors (see below), whose sum is σ = 16840380416832. Its totient is φ = 5598745145640.

The previous prime is 11212202020091. The next prime is 11212202020109. The reversal of 11212202020102 is 20102020221211.

It is a happy number.

It is a super-2 number, since 2×112122020201022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212202020109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6074413 + ... + 7702135.

It is an arithmetic number, because the mean of its divisors is an integer number (1052523776052).

Almost surely, 211212202020102 is an apocalyptic number.

11212202020102 is a deficient number, since it is larger than the sum of its proper divisors (5628178396730).

11212202020102 is a wasteful number, since it uses less digits than its factorization.

11212202020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632243.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11212202020102 its reverse (20102020221211), we get a palindrome (31314222241313).

The spelling of 11212202020102 in words is "eleven trillion, two hundred twelve billion, two hundred two million, twenty thousand, one hundred two".

Divisors: 1 2 971 1942 3547 7094 1627723 3255446 3444137 6888274 1580519033 3161038066 5773533481 11547066962 5606101010051 11212202020102